姓名 ______________________日期 ____________得分 ____ / 12有理数运算练习有理数运算 · 1–12化简。每个答案写成最简形式。困难替换1.−312 ÷ 78 =困难替换2.−323 + (−45) =困难替换3.−234 ÷ (−35) =困难替换4.115 ÷ 23 =困难替换5.−214 × 23 =困难替换6.125 + 13 =困难替换7.313 ÷ 13 =困难替换8.113 ÷ (−16) =困难替换9.−335 × 12 =困难替换10.213 + (−12) =困难替换11.−256 × 12 =困难替换12.−145 ÷ (−12) =答案 — 有理数运算练习有理数运算1.−42.−47153.47124.1455.−1126.111157.108.−89.−14510.15611.−151212.335由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷