姓名 ______________________日期 ____________得分 ____ / 12代数式求值练习代数式求值 · 1–12按给定的值计算每个代数式。中等替换1.7a + 6b, a = 2, b = 5中等替换2.6a + 4b, a = 3, b = 9中等替换3.4a + 7b, a = 5, b = 7中等替换4.3a + 7b, a = 3, b = 3中等替换5.9a + 6b, a = 8, b = 8中等替换6.3a + 6b, a = 9, b = 8中等替换7.5a + 7b, a = 6, b = 6中等替换8.7a − 2b, a = 7, b = 4中等替换9.5a + 6b, a = 7, b = 7中等替换10.4a + 3b, a = 5, b = 1中等替换11.9a − 4b, a = 2, b = 3中等替换12.6a + 6b, a = 3, b = 8答案 — 代数式求值练习代数式求值1.442.543.694.305.1206.757.728.419.7710.2311.612.66由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷