(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
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(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
8.4/84=0.1
25/5=5
63%/0.9=0.7
0.1*5*0.7=0.35
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)=8.4*25*63%÷84÷5÷0.9=(8.4÷84)(25÷5)(63%÷0.9)=0.1*5*0.7=0.35
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)=(8.4÷84)*(25÷5)*(63%÷0.9)=0.1*5*0.7=0.35
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)=84*5*0.9*5*0.7 / 84*5*0.9=5*0.7=3.5
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