45分之44×37等于多少 35乘九分之七等于多少
问题描述:
45分之44×37等于多少 35乘九分之七等于多少
答
44/45×37
=(1-1/45)×37
=1×37-1/45×37
=37-37/45
=36+1-37/45
=36又45分之8
35×7/9
=(36-1)×7/9
=36×7/9-1×7/9
=28-7/9
=27+1-7/9
=27又9分之2