1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500 同志,只找到这么多了
4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 =
2.64+3.6= 2.4×50= 3500÷70= 2050-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= 6696÷62-6.5×10.6 =
1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000=
0.56+0.4= 1.25×100= 5.6+99=
100÷25= 1-0.93= 90-0.9=
794-198= 68×25= 6756-193-207=
72×125= 97×360+3×360=
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/115/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*14/25 8/25*5 18*7/36 3/49*7 28*4/7 5/7*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3 5/7*2/3 5/6*7/8 4/5* 7/8 3/8*9/7 3/4*1/2 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
5/9*3/4 11/12*4/5 7/10*5/6 6/7*2/3 2/11*2/3
3
累啊.~!~
不要都口算.来的别的.
428×(3080-1980)-742
五、 文字叙述题(每道小题 5分 共 10分 )
1. 从978里减去126的5倍,差是多少?
2. 1560除以一个数商是26,求这个数?
(列出含有未知数x的等式,再解出来.)
六、 应用题(1-2每题 7分, 第3小题 8分, 共 22分)
1. 一个服装厂5天生产西服850套,照这样计算,一个月生产西服多少套?(一个月按30天计算)
2. 商店运来8筐苹果和12筐梨,每筐苹果38千克,每筐梨42千克,商店共运来水果多少千克?
3. 某工地需水泥240吨,用5辆汽车来运,每辆汽车每次运3吨,需运多少次才能运完?(用两种综合式解答)
在来点高级的.让你孩子做一下.
六 年 级 竞 赛 试 题
一、计算。(每小题3分,第4题8分,要求写出过程)
1、1.25×17.6+36.1÷0.8+2.63×12.5 2、7.5×2.3+1.9×2.5
3、1999+999×999
4、在□里填上适当的数。(每题2分,计8分)
(1) ×( ÷ - )= (2)[( ×9-2)× -16]÷ =20
(3)( - )÷(1+ )=1 (4) + = ×(1- × )
5、 6、
二、填空题(每小题3分,共30分)
1、六(1)班男、女生人数的比是8:7。
(1)女生人数是男生人数的 ; (2)男生人数占全班人数的 ;
(3)女生人数占全班人数的 ; (4)全班有45人,男生有( )人。
2、甲数和乙数的比7:3,乙数和丙数的比是6:5,丙数是甲数的 ,甲数和丙数的比是( ):( )。
3、0.08的倒数是( ),2.25的倒数是( )。
4、一根铁丝长3米,剪去 后还剩( )米;一根铁丝长3米,剪去 米后还剩( )米。
5、甲、乙二人合做一件工作,甲做的部分占乙的 ,乙做的占全部工作的 。
6、周长相等的正方形和圆形,( )的面积大。
7、( )÷40=15:( )= =0.625=( )%
8、把0.38、 、37%、0.373按从大到小的顺序排列是( )。
9、4米是5米的( )%,5米比4米多( )%,4米比5米少( )%
10、用一张长5厘米,宽4厘米的长方形纸剪一个最大的圆,这个圆的面积占这张纸面积的( )%
三、图形计算(共17分)
1、下图图形的周长是多少厘米?怎样算最简便?(5分)
2、电视塔的圆形塔底半径为15米,现在要在它的周围种上5米宽的环形草坪。(如图)(6分)
(1)需要多少平方米的草坪?
(2)如果每平方米的草坪需500元,那么植这块草坪至少需要多少钱?
3、已知图中正方形的面积是20平方厘米,求阴影部分的面积。(6分)
四、应用题(每小题6分,计30分)
1、球从高处自由下落,每次接触地面后弹起的高度是前一次下落高度的 。如果球从25米高处落下,那么第三次弹起的高度是多少米?
2、在一块20公顷的土地上,用它的 种小麦,其余的种大豆和玉米,种大豆和玉米的公顷数比是3:5。种大豆和玉米各多少公顷?
3、同学们参加野营活动。一个同学到负责后勤的教师那是去领碗。教师问他领多少,他说领55个,又问:“多少人吃饭?”他说:“一人一个饭碗,两人一个菜碗,三个人一个汤碗。”算一算这个同学给多少人领碗?
4、某校五、六年级共有学生200人。“六一”儿童节五年级有11人,六年级有25%的同学去市里参加庆祝活动,这时两个年级余下的人数相等。求六年级有学生多少人?
5、修一条路,第一天修了全路的 ,第二天修了余下的 ,两天共修路135米,这条路全长多少米?
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×( 1/2 + 2/3 )
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
31.50+160÷40
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
37.812-700÷(9+31×11)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12× 4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)=
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
51.[(7.1-5.6)×0.9-1.15] ÷2.5
52.5.4÷[2.6×(3.7-2.9)+0.62]
53.12×6÷(12-7.2)-6
54.12×6÷7.2-6
55.0.68×1.9+0.32×1.9
56.(58+370)÷(64-45)
57.420+580-64×21÷28
58.(136+64)×(65-345÷23)
59.48.10.15-10.75×0.4-5.7
60.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
61.8+2-8+2
62.25*4/25*4
63.7.26-(5.26-1.5)
64.286+198
65.314-202
66.526+301
67.223-99
68.6.25+3.85-2.125+3.875
69.9-2456*21
70.0.5/11.5-4*2.75
71.1/2×3/5
72.3.375+5.75+2.25+6.625
73.1001-9036÷18
74.3.8×5.25+14.5
75.2.1*4.3+5.7*2.1
76.30×1/3
77.102*45-328
78.2/3×12
79.2.8*3.1+17.6/8
80.3/5×5/6
81.(50-12.5)/2.5
82.2/5×1/3
83.6110*47+639
84.1/2-1/6
85.3.5*2.7-52.2/18
86.1/7×1/5
87.3.375*0.97+0.97*6.625
88.25×4/5
89.6.54+2.4+3.46+0.6
90.5/6-1/2
91.95.6*1.8+95.6*8.2
92.1/2×1/5
93.600-420/12
94.344/3.6-5.4*0.25
95.16/2+30/2+90/6
96.3001-1998.
97.5000-105*34
98.0.15/0.25+0.75*1.2
99.(1/2+1/3+1/4)*0.24
1.(25+4)*4
3.300-4263/21
4.0.81/0.25+5.96
5.403÷13×27
6.1.5×4.2-0.75÷0.25
7.3.27×4 +3.27×5.7
8.(1.2+ 1.8)×4.51025-768÷32
9.0.25×80-0.45÷0.9
10.1025-768÷32
11.0.25*2.69*4
12.2348+275*16
13.2/9*15/8-1/12*9/5
14.2.4+2.4*(5.375-3.375)
15.645-45*12
16.0.15+1.2/0.24-0.45
17.3.75-(2.35+0.25/1.25)
18.76*1/4+23*25/100+0.25
19.10-2.87-7.13
20.0.96+9.6*9.9
21.7.5-5.7*1/3
22.12.37-3.25-6.75
23.16*6.8+2.2*16+16
24.401*19+284
25.58.7-16.65/3.7
26.0.4*4.7*2.5+(2.3+5.3)
27.9.31-1.125-7.875
28.640+128*45
29.8.2*1.6-0.336/4.2
20.400*(0.62+0.08)
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001-9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2-0.75÷0.25
47.3.27×4 +3.27×5.7
48.(1.2+ 1.8)×4.51025-768÷32
49.0.25×80-0.45÷0.9
50.1025-768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
2.5×2=
0.5×10=
0.6×8=
2.1×2=
2.8×10=
0.7×0.8=
0.04×20=
5.6+0.4=
4.7+2.3=
4.5×2=
6.9-2.5=
7.2×0.8=
6×3.4=
0.62-0.32=
1.4×0.5=
0.75×100=
0.02×0.5=
3.6×0.3=
6.3÷7=
5.6×100=
0.75÷0.25=
0.125×8=
4.8÷0.3=
0.86÷2=
0.56÷28=
0.36÷0.4=
0.64÷0.8=
0.7×9=
3.6÷24=
0.8×1.1=
7.2+12.8=
46.7-3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64+4.1=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 0÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=
0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
10-9.4= 0.8×0.11= 7.2+12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
7.8÷0.01= 5.4÷0.6= 3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
1.75+32.5= 16-5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02= 1.2×6=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24×4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35= 0.7÷1.4
0.48÷0.04= 1.25÷2.5= 5.5+5.5= 16.8÷8=
0.54+2.2= 3.5-0.05= 2÷0.02= 0.25×40=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
8×1.25= 7÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7= 5.6×100=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2= 0.5×10= 0.6×8= 2.1×2=
0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 = 4.9÷7= 0÷0.48=
大哥,有意思伐?骗骗小孩~~~~
要几年级的?