[340-(51+98)]×32怎样简便计算?
48个回答
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【340-(51+98)】*32
=【340-149】*32
=189*32
=6048
=【340-149】*32
=189*32
=6048
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展开全部
【340-(51+98)】x32
=(340-149)x32
=【340-(140+10-1)】x32
=(340-140-10+1)x32
=(200-10+1)x32
=200x32-10x32+1x32
=6400-320+32
=6080+32
=6112
=(340-149)x32
=【340-(140+10-1)】x32
=(340-140-10+1)x32
=(200-10+1)x32
=200x32-10x32+1x32
=6400-320+32
=6080+32
=6112
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展开全部
[340-(51+98)]x32
=(340-140-9)x32
=(200-9)x32
=6400-288
=6112
=(340-140-9)x32
=(200-9)x32
=6400-288
=6112
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展开全部
[340-(51+98)]×32
=[340-149]×32
=200x32 -10x32 +1x32
=6400-320 +32
=6080 +32
=6112
=[340-149]×32
=200x32 -10x32 +1x32
=6400-320 +32
=6080 +32
=6112
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展开全部
原式=(340-149)×32
=191×32
=200×32-9×32
=6400-288
=6112
=191×32
=200×32-9×32
=6400-288
=6112
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