Question

17/25×29/37加二十五分之八乘三十七分之十七

Answer 1

答:用乘法交换律、结合律、化简，根据题意得
17/25×29/37+8/25×17/37
=29/25×17/37+8/25×17/37
=（29/25+8/25）×17/37
=37/25×17/37
=17/25