69x56 64x28怎样简便计算?

2025-05-04 23:52:31
推荐回答(4个)
回答1:

69×56+64×28计算简便应该是。等于69×56+32x56=5656
56*(32+68+1)=5656

回答2:

69×56+64×28
= 69×56+32×56
= (69+32)×56
= (100+1)×56
= 100×56+56
= 5656

回答3:

56和64之间的符号是什么

回答4:

64×28
= 69×56+32×56
= (69+32)×56
= (100+1)×56
= 100×56+56
= 5656