10.84乘(12分之7加6分之5加54分之7)怎么脱式计算? 5
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解:10.84x(7/12+5/6+7/54)
=10.84x(7/12+10/12+7/54)
=10.84x(17/12+7/54)
=10.84x(459/324+42/324)
=10.84x501/324
=10.84x167/108
=167x2.71/27
=452.57/27
=16.7618518...
≈16.76
=10.84x(7/12+10/12+7/54)
=10.84x(17/12+7/54)
=10.84x(459/324+42/324)
=10.84x501/324
=10.84x167/108
=167x2.71/27
=452.57/27
=16.7618518...
≈16.76
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10.84x(7/12+5/6+7/54)
=10.84x(63/108+90/108+14/108)
=10.84x167/108
=1084/100x167/108
=181028/10800
=10.84x(63/108+90/108+14/108)
=10.84x167/108
=1084/100x167/108
=181028/10800
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10.84X(7/12十5/6十7/54)
=10.84X(36/108十90/108十14/108)
=10.84X140/108
≈140/100
=1.4
=10.84X(36/108十90/108十14/108)
=10.84X140/108
≈140/100
=1.4
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