8/35x42 2/7x49 13/24x36 15x3/4 7/30x25 求答案,谢谢!

1/8x多少等于多少乘1/12

第1个回答  2020-09-08
8/35×42
=8/5×6

=9又3/5
2/7×49
=2×7
=14
13/24×36
=13/2×3
=19又1/2
15×3/4
=11又1/4
7/30×25
=7/6×5
=5又5/6
1/8×(1/3 )=(1/2)×1/12本回答被网友采纳