姓名 ______________________日期 ____________得分 ____ / 126 年级练习运算顺序 · 1–6计算每个算式。中等替换1.(7 + 9) × 6 − 34 =中等替换2.(9 + 3) × 5 − 52 =中等替换3.3 × (9 − 5) + 7 =中等替换4.(2 + 8) × 6 − 34 =中等替换5.8 × (5 − 4) + 4 =中等替换6.36 ÷ (2 + 2) + 8 =代数式求值 · 7–12按给定的值计算每个代数式。中等替换7.5a + 7b, a = 3, b = 1中等替换8.7a + 7b, a = 1, b = 8中等替换9.3a + 2b, a = 3, b = 6中等替换10.7a + 9b, a = 9, b = 5中等替换11.9a − 6b, a = 9, b = 7中等替换12.2a + 6b, a = 6, b = 2答案 — 6 年级练习运算顺序1.622.83.194.265.126.17代数式求值7.228.639.2110.10811.3912.24由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷