24乘以12.5减12.5除以0.25

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24乘以12.5减12.5除以0.2524乘以12.5减12.5除以0.2524乘以12.5减12.5除以0.2524乘以12.5-12.5除以0.25=24乘以12.5-12.5乘以4=(24-4)

24乘以12.5减12.5除以0.25
24乘以12.5减12.5除以0.25

24乘以12.5减12.5除以0.25
24乘以12.5-12.5除以0.25
=24乘以12.5-12.5乘以4
=(24-4)乘以12.5
=20乘以12.5
=250

24乘以12.5-12.5除以0.25
=24乘以12.5-12.5乘以4
=(24-4)乘以12.5
=20乘以12.5
=250

24乘以12.5减12.5除以0.25
=24×12.5-12.5÷1/4
=12.5×24-12.5×4
=12.5×(24-4)
=12.5×20
=250

化成分数算就行了
解答为24*(25/2)+(25/2)/(1/4)=750+50=800
答案还满意吧,呵呵能给分么。