问题 计算题
计算下面各题,能简算的要简算。
(1)12.5×16×0.5(3)4.8÷0.16÷0.3
(3)0.57×8.3+0.57×1.7(4)48.7-160.6÷5.84
答案

(1)12.5×16×0.5

 =(12.5×4)×(4×0.5)

 =100(3)4.8÷0.16÷0.3

 =4.8÷(0.16×0.3)

 =1

(3)0.57×8.3+0.57×1.7

 =0.57×(8.3+1.7)

 =5.7(4)48.7-160.6÷5.84

 =48.7-27.5

 =21.2

判断题
单项选择题 A1/A2型题