| 直接写出结果. 1.5×40= | 8×12.5%= | - × = | 15÷2.5÷4= |
×25= | ÷ = | ( + )×18= | 1- + = |
| 解:1.5×40=60; | 8×12.5%=1; | - × = ; | 15÷2.5÷4=1.5; |
×25=15; | ÷ =0.25; | ( + )×18=9; | 1- + =0.4. |
,1.5,15,0.25,9,0.4.分析:(1)(4)依据小数乘除法计算方法解答,
(2)(3)(5)(6)(7)(8)依据分数乘除法计算方法解答.
点评:本题主要考查学生运用四则运算计算方法解决问题的能力.
-
×
×25=
÷
=
+
=