题目内容
脱式计算
(16
|
| ||||||||||||
| (12.5×8-40)÷0.6 | (
|
(1)(16
-15.3)×
,
=(16
-15
)×
,
=
×
,
=
;
(2)
×[
÷(
-
)],
=
×[
÷
],
=
×[
×
],
=
×
,
=
;
(3)(12.5×8-40)÷0.6,
=(100-40)÷0.6,
=60÷0.6,
=100;
(4)(
+
+
)×72,
=
×72+
×72+
×72,
=30+8+27,
=65.
| 1 |
| 10 |
| 1 |
| 4 |
=(16
| 1 |
| 10 |
| 3 |
| 10 |
| 1 |
| 4 |
=
| 4 |
| 5 |
| 1 |
| 4 |
=
| 1 |
| 5 |
(2)
| 2 |
| 3 |
| 9 |
| 10 |
| 7 |
| 16 |
| 1 |
| 4 |
=
| 2 |
| 3 |
| 9 |
| 10 |
| 3 |
| 16 |
=
| 2 |
| 3 |
| 9 |
| 10 |
| 16 |
| 3 |
=
| 2 |
| 3 |
| 24 |
| 5 |
=
| 16 |
| 5 |
(3)(12.5×8-40)÷0.6,
=(100-40)÷0.6,
=60÷0.6,
=100;
(4)(
| 5 |
| 12 |
| 1 |
| 9 |
| 3 |
| 8 |
=
| 5 |
| 12 |
| 1 |
| 9 |
| 3 |
| 8 |
=30+8+27,
=65.
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