Question

4.86x9.6十0.486x4怎样用简便方法计算

Answer 1

简便计算过程如下，原式＝4.86×9.6+4.86×0.4＝4.86×（9.6+0.4）＝48.6

Answer 2

4.286x9.6+0.486x4等于4.86x括号9.6x十括回4.86x十等于48.6。