46/47×48 简便运算
发布网友
共3个回答
热心网友
(47+1)x46/47=46+46/47=46又46/47
热心网友
46/47×48
=46/47×(47+1)
=46/47×47+46/47
=46又46/47
热心网友
46/47×48
=46x48/47
=(47-1)x(1+47)/47
=(47x47-1)/47
=47-1/47
