2⼀11+4⼀11+1⼀11+1⼀11+2⼀11=?把这个加法算式改写成乘法算式

2025-03-01 23:05:26
推荐回答(2个)
回答1:

2/11+4/11+1/11+1/11+2/11=
=(2+4+1+1+2)×1/11
=10×1/11
=10/11

回答2:

2/11+4/11+1/11+1/11+2/11
=(1/11+1/11)+(2/11+2/11)+4/11
=2x1/11+2x2/11+4/11
=2/11+4/11+4/11
=10/11