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75乘76分之75的简便计算

(76+1)*75/76=76*(75/76)+1*(75/76)=75+75/76

75乘76分之1乘77 =75/76*(76+1) =75/76*76+1/76 =75又1/76

75乘以76分之11=(76-1)*11/76=11-11/76=10又76分之65

(76+1)*75/76=76*75/76+1*75/76=75+75/76=75又76分之75

原式=75/76*(76+1)=75/76*76+75/76*1=75+75/76=75又76分之75

76*75/77=(77-1)*75/77=77*75/77-1*75/77=75-75/77=74又2/77

75乘76分之1乘77=75/76*(76+1)=75/76*76+75/76=75+75/76=75又75/76

75/77乘76=75/77x(77-1)=75/77x77-75/77x1=75-75/77=74又2/77

75*1/76*77 =(76-1)*(76+1)*1/76 =(76^2-1)*1/76 =76-1/76

原式=(76+1)x75/76=76x75/76+1x75/76=75+75/76=75又75/76其中,/是分数线.

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