1又2⼀3-{5又3⼀4-2的平方⼀[(-1⼀2)的平方+3*(-3⼀4)]*1⼀8}

2024-11-25 16:32:09
推荐回答(1个)
回答1:

1又2/3-{5又3/4-2的平方/[(-1/2)的平方+3*(-3/4)]*1/8}
=5/3-23/4+4/(1/4-9/4)*1/8
=5/3-23/4-1/4
=5/3-6
=-13/3