如题所述
69.5x101简算计算怎样算?
运用乘法分配律使计算简便:
69.5×101
=69.5×(100+1)
=69.5×100+69.5×1
=6950+69.5
=7019.5
运用乘法分配律使计算简便:
69.5×101
=69.5×(100+1)
=69.5×100+69.5×1
=6950+69.5
=7019.5
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第1个回答 2019-12-24
简便计算为:把101拆为100+1
=69.5×(100+1)乘法分配律得
=69.5×100+69.5×1
=6950+69.5
=7019.5
=69.5×(100+1)乘法分配律得
=69.5×100+69.5×1
=6950+69.5
=7019.5
第2个回答 2019-12-24
简便计算如下:
69.5*101
=69.5*(100+1)
=69.5*100+69.5*1
=6950+69.5
=7019.5
69.5*101
=69.5*(100+1)
=69.5*100+69.5*1
=6950+69.5
=7019.5