题目内容
| 计算: ①1300÷26+24 | ②
| ③0.9×99+0.9 | ||||||||||||||||
| ④1.25×0.25×32 | ⑤
| ⑥
|
①1300÷26+24,
=50+24,
=74;
②
+
÷
,
=
+
,
=
;
③0.9×99+0.9,
=0.9×(99+1),
=0.9×100,
=90;
④1.25×0.25×32,
=1.25×0.25×4×8,
=(1.25×8)×(0.25×4),
=10×1,
=10;
⑤
×(
+
)÷
,
=
×
×
,
=
×
,
=
;
⑥
-(
-
)÷
,
=
-
×
,
=
-
,
=
.
=50+24,
=74;
②
| 1 |
| 6 |
| 5 |
| 6 |
| 2 |
| 3 |
=
| 1 |
| 6 |
| 5 |
| 4 |
=
| 17 |
| 12 |
③0.9×99+0.9,
=0.9×(99+1),
=0.9×100,
=90;
④1.25×0.25×32,
=1.25×0.25×4×8,
=(1.25×8)×(0.25×4),
=10×1,
=10;
⑤
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 6 |
| 10 |
| 9 |
=
| 2 |
| 3 |
| 5 |
| 12 |
| 9 |
| 10 |
=
| 5 |
| 18 |
| 9 |
| 10 |
=
| 1 |
| 4 |
⑥
| 1 |
| 2 |
| 3 |
| 4 |
| 3 |
| 5 |
| 14 |
| 25 |
=
| 1 |
| 2 |
| 3 |
| 20 |
| 25 |
| 14 |
=
| 1 |
| 2 |
| 15 |
| 56 |
=
| 13 |
| 56 |
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