-100X1/8-0.125X35.5+14.5X(-12.5%)=

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cxjwol 共回答了23个问题 | 采纳率91.3%
=(-100-35.5-14.5)*0.125 = -150*0.125 = -18.75
1年前

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简便运算:-100x1/8-0.125x35.5+14.5x(-12.5%).
mt平安1年前1
fzroyal 共回答了14个问题 | 采纳率92.9%
-100x1/8-0.125x35.5+14.5x(-12.5%)
原式=-100*(1/8)-(1/8)*35.5+14.5*(-1/8)
=-100*(1/8)-(1/8)*35.5-14.5*(1/8)
=(1/8) *(-100-35.5-14.5)
=(1/8)*(-150)
=-150/8
=-75/4