姓名 ______________________日期 ____________得分 ____ / 12两步方程练习两步方程 · 1–12解出 x。中等替换1.8x + 2 = −70中等替换2.8x − 8 = 56中等替换3.9x + 16 = 97中等替换4.x2 − 19 = −16中等替换5.9x − 1 = −91中等替换6.9x + 16 = 25中等替换7.x3 + 25 = 26中等替换8.x4 + 18 = 17中等替换9.x5 + 2 = 14中等替换10.x3 + 24 = 27中等替换11.3x + 10 = −5中等替换12.x9 − 23 = −15答案 — 两步方程练习两步方程1.x = −92.x = 83.x = 94.x = 65.x = −106.x = 17.x = 38.x = −49.x = 6010.x = 911.x = −512.x = 72由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷