Question

用简便方法计算四十五分之四十四乘三十七二十七乘二十六分之十五

Answer 1

44/45*37

=44/45*(45-8)

=44-352/45

=44-7又37/45

27*15/26

=(26+1)*15/26

=15+15/26

=15又15/26