3.6与2.7的积再乘4.5是多少？列式计算
2个回答
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3.6×2.7×4.5
=3.6×4.5×2.7
=3.6×(4+0.5)×2.7
=(3.6×4+3.6×0.5)×2.7
=(14.4+1.8)×2.7
=16.2×2.7
=16.2×(3-0.3)
=16.2×3-16.2×0.3
=48.6-4.86
=48.6-4-0.8-0.06
=44.6-0.8-0.06
=43.8-0.06
=43.74
=3.6×4.5×2.7
=3.6×(4+0.5)×2.7
=(3.6×4+3.6×0.5)×2.7
=(14.4+1.8)×2.7
=16.2×2.7
=16.2×(3-0.3)
=16.2×3-16.2×0.3
=48.6-4.86
=48.6-4-0.8-0.06
=44.6-0.8-0.06
=43.8-0.06
=43.74
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3.6与2.7的积再乘4.5是多少？列式计算
我来答有奖励共1条回答
sqwlljlLV.152016-09-19
3.6×2.7×4.5
=3.6×4.5×2.7
=3.6×(4+0.5)×2.7
=(3.6×4+3.6×0.5)×2.7
=(14.4+1.8)×2.7
=16.2×2.7
=16.2×(3-0.3)
=16.2×3-16.2×0.3
=48.6-4.86
=48.6-4-0.8-0.06
=44.6-0.8-0.06
=43.8-0.06
=43.74
我来答有奖励共1条回答
sqwlljlLV.152016-09-19
3.6×2.7×4.5
=3.6×4.5×2.7
=3.6×(4+0.5)×2.7
=(3.6×4+3.6×0.5)×2.7
=(14.4+1.8)×2.7
=16.2×2.7
=16.2×(3-0.3)
=16.2×3-16.2×0.3
=48.6-4.86
=48.6-4-0.8-0.06
=44.6-0.8-0.06
=43.8-0.06
=43.74
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