72×32 +14×64用简便方法怎么计算?

2025-04-09 23:26:41
推荐回答(4个)
回答1:

72*32+14*64
=36*2*32+14*64
=36*64+14*64
=64*(36+14)
=64*50
=3200

回答2:

72×32+14×64
=72×32+(14×2)×32
=(72+28)×32
=3200

回答3:

72×32+14×64
=72×32+14×2×32
=72×32+28×32
=32×(72+28)
=32×100
=3200

回答4:

72x32+14x64的简便运算方法是:72x32+14x2x32=32x(72+14x2)=32x(72+28)=32x100=3200