It was time to go home, Martin______his rain coat and went out
①齐桓公称霸 ②汉武帝举办太学 ③黄巾起义 ④文景之治
用简便方法计算。
0.125×0.25×8×4 7.4×0.28+0.28×2.6 15.89-3.2-6.8