| 直接写出得数: 614-49.3= | ×38.57= | 18×( - )= | 3÷ ÷ = |
÷0.16= | +79×0.375= | 1-1÷3= | 0.81× ÷0.81× = |
| 解:614-49.3=564.7; | ×38.57=4.06; | 18×( - )=10; | 3÷ ÷ =8 ; |
÷0.16=5; | +79×0.375=30; | 1-1÷3= ; | 0.81× ÷0.81× = . |
,5,30,
,
.分析:(1)(2)(5)(6)(8)依据小数四则运算计算方法解答,
(3)(4)依据分数四则运算计算方法解答,
(7)依据整数四则运算计算方法解答.
点评:本题主要考查学生依据四则运算计算方法解决问题的能力.
×38.57=
)=
÷
÷0.16=
+79×0.375=
÷0.81×
;