题目内容
看谁都能算对!(能简算的请写出简算过程)
| 624-3.2×1.5÷0.1 | 9.43+0.78-2.43 | ||||||||||||||
|
|
(1)624-3.2×1.5÷0.1,
=624-4.8÷0.1,
=624-48,
=576;
(2)9.43+0.78-2.43,
=9.43-2.43+0.78,
=7+0.78,
=7.78;
(3)
-[(
+
)÷
],
=
-[
÷
],
=
-
,
=
;
(4)
×5+
÷
,
=
×5+
×5,
=(
+
)×5,
=1×5,
=5.
=624-4.8÷0.1,
=624-48,
=576;
(2)9.43+0.78-2.43,
=9.43-2.43+0.78,
=7+0.78,
=7.78;
(3)
| 5 |
| 6 |
| 1 |
| 5 |
| 1 |
| 3 |
| 8 |
| 9 |
=
| 5 |
| 6 |
| 8 |
| 15 |
| 8 |
| 9 |
=
| 5 |
| 6 |
| 3 |
| 5 |
=
| 7 |
| 30 |
(4)
| 16 |
| 27 |
| 11 |
| 27 |
| 1 |
| 5 |
=
| 16 |
| 27 |
| 11 |
| 27 |
=(
| 16 |
| 27 |
| 11 |
| 27 |
=1×5,
=5.
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