这道题这样算,变成1×4.8+0.05×4.8=4.8+0.24,所以结果是5.04。
1.05x4.8简便运算=(1+0.05)x4.8=4.8+0.05x4.8=4.8+0.24=5.04
1.05x4.8=1x4.8+0.05x4.8=4.8+0.24=5.04
1.05×4.8=1×4.8+0.05×4.8=4.8+0.24=5.04
没法用简便计算法。 8.9x1.1x4.7 =9.79x4.7 =46.013