用乘法运算定律计算下面各题27x31十3|x72十31

2025-01-20 19:13:56
推荐回答(3个)
回答1:

=31x(27+72+1) =31x100 =3100用乘法运算定律计算下面各题27x31十3|x72十31

回答2:

27x31十3|x72十31
=(27+72+1)x31
=100x31
=3100

回答3: