问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)

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问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)问一道简便运算:6.9*0.125*1.75/(2.3*

问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)
问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)

问一道简便运算:6.9*0.125*1.75/(2.3*1/8*1/4)
6.9*0.125*1.75/(2.3*1/8*1/4)=(6.9/2.3)*[0.125/(1/8)]*[1.75/(1/40]=3*1*7=21

69/100*1/8*7/4*320/23=3/10*7=2.1