题目内容
直接写得数:0.4-
=______
7.15×2.5×18+1.5×28×7.15=______
13
÷13=______
(
-
)×35×36=______
3+6+9+12+…+96+99=______
(
+
+
+
+
)+(
+
+
+
)+(
+
+
)+(
+
)+
=______.
| 1 |
| 3 |
7.15×2.5×18+1.5×28×7.15=______
13
| 13 |
| 14 |
(
| 3 |
| 35 |
| 2 |
| 36 |
3+6+9+12+…+96+99=______
(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 6 |
| 2 |
| 3 |
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| 5 |
| 6 |
0.4-
=
;
7.15×2.5×18+1.5×28×7.15=622.5;
13
÷13=1
;
(
-
)×35×36=38;
3+6+9+12+…+96+99=1683;
(
+
+
+
+
)+(
+
+
+
)+(
+
+
)+(
+
)+
=7.5.
| 1 |
| 3 |
| 1 |
| 15 |
7.15×2.5×18+1.5×28×7.15=622.5;
13
| 13 |
| 14 |
| 1 |
| 14 |
(
| 3 |
| 35 |
| 2 |
| 36 |
3+6+9+12+…+96+99=1683;
(
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| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
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