1-括号5⼀6+3⼀10括起来用简便算法计算

2024-12-02 10:31:13
推荐回答(2个)
回答1:

解: 1-(5/6+3/10)
=1-5/6-3/10
=1/6-3/10
=5/30-9/30
=-4/30
=-2/15

回答2:

1-(5/6+3/10)=1-5/6-3/10
=1/6-3/10=5/30-9/30=-4/30=-2/15