脱式计算.360÷6-35 15+19×4 69+300÷3 40×5+20 (20+40)÷6 (90-10)÷8 200-90÷9 90-80÷2 65-90

2024-11-17 18:24:10
推荐回答(1个)
回答1:

(1)360÷6-35,
=60-35,
=25;

(2)15+19×4,
=15+76,
=91;

(3)69+300÷3,
=69+100,
=169;

(4)40×5+20,
=200+20,
=220;

(5)(20+40)÷6,
=60÷6,
=10;

(6)(90-10)÷8,
=80÷8,
=10;

(7)200-90÷9,
=200-10,
=190;

(8)90-80÷2,
=90-40,
=50;

(9)65-90÷3,
=65-30,
=35.