题目内容
| 脱式计算 320×50-24111÷57 | 86420-11928÷28×60 | ||||||||||||
| 3.8-1.395÷0.31×0.5 | 0.15×(6.52-1.83)÷70 | ||||||||||||
(
| 8÷3-(
|
(1)320×50-24111÷57,
=16000-423,
=15577;
(2)86420-11928÷28×60,
=86420-426×60,
=86420-25560,
=60860;
(3)3.8-1.395÷0.31×0.5,
=3.8-4.5×0.5,
=3.8-2.25,
=1.55;
(4)0.15×(6.52-1.83)÷70,
=0.15×4.42÷70,
=0.663÷70,
=
;
(5)(
-
)÷(
+
),
=
÷
,
=
;
(6)8÷3-(
-
),
=8÷3-
,
=
-
,
=
.
=16000-423,
=15577;
(2)86420-11928÷28×60,
=86420-426×60,
=86420-25560,
=60860;
(3)3.8-1.395÷0.31×0.5,
=3.8-4.5×0.5,
=3.8-2.25,
=1.55;
(4)0.15×(6.52-1.83)÷70,
=0.15×4.42÷70,
=0.663÷70,
=
| 663 |
| 7000 |
(5)(
| 11 |
| 18 |
| 2 |
| 9 |
| 3 |
| 8 |
| 3 |
| 20 |
=
| 7 |
| 18 |
| 21 |
| 40 |
=
| 20 |
| 27 |
(6)8÷3-(
| 6 |
| 7 |
| 1 |
| 4 |
=8÷3-
| 17 |
| 28 |
=
| 8 |
| 3 |
| 17 |
| 28 |
=
| 173 |
| 84 |
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