（6/13*1.7+7/13*1.7）÷7/10 简算,表明简算方法.9*1/8÷9*1/8 1/8*58+1/8*41+1/8
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（6/13×1.7+7/13×1.7）÷7/10
=[（6/13+7/13）×1.7]÷7/10
=1×1.7÷0.7
=17/7
9×1/8÷9×1/8
=(9÷9)×(1/8×1/8)
=1×1/64
=1/64
1/8×58+1/8×41+1/8
=1/8×58+1/8×41+1/8×1
=1/8×(58+41+1)
=1/8×100
=12.5
愿对你有所帮助!
=[（6/13+7/13）×1.7]÷7/10
=1×1.7÷0.7
=17/7
9×1/8÷9×1/8
=(9÷9)×(1/8×1/8)
=1×1/64
=1/64
1/8×58+1/8×41+1/8
=1/8×58+1/8×41+1/8×1
=1/8×(58+41+1)
=1/8×100
=12.5
愿对你有所帮助!
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