计算下面各题:1⼀9÷1⼀6÷3⼀5=? 2⼀5÷4⼀7×5⼀7=? (5⼀12+1⼀27)×27+5⼀8=?

2024-12-15 13:59:52
推荐回答(1个)
回答1:

1/9÷1/6÷3/5
=1/9×6×5/3
=10/9
=1又1/9
2/橡兄5÷4/派举7×5/7
=2/5×7/4×5/7
=1/2
(5/12+1/27)×27+5/8
=5/12×27+1/27×27+5/8
=45/4+1+5/辅锭滇瓜鄄盖殿睡东精梁羡袭8
=12又7/8