12✘36+12+14-12简便算法怎么算?
5个回答
2022-06-25
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12×36+12+14-12简便算法
12×36+12+14-12
=12×36+14+(12-12)
=12×36+14
=(10+2)×36+14
=360+72+14
=360+(72+14)
=360+86
=446
12×36+12+14-12
=12×36+14+(12-12)
=12×36+14
=(10+2)×36+14
=360+72+14
=360+(72+14)
=360+86
=446
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简便计算是直接提取公约数12得
12x(36+14-1)
=12x(50-1)
=12x50-12
=548
12x(36+14-1)
=12x(50-1)
=12x50-12
=548
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12×36+12+14-12
=12×36+14+(12-12)
=12×36+14
=(10+2)×36+14
=360+72+14
=360+(72+14)
=360+86
=446
=12×36+14+(12-12)
=12×36+14
=(10+2)×36+14
=360+72+14
=360+(72+14)
=360+86
=446
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12x36+12+14-12
=(12x36+14)+(12-12)
=(432+14)+0
=446
=(12x36+14)+(12-12)
=(432+14)+0
=446
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计算如下:
12×36+12+14-12
=12×36+14
=360+72+14
=432+14
=446
12×36+12+14-12
=12×36+14
=360+72+14
=432+14
=446
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已踩过<
评论
收起
你对这个回答的评价是?
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