题目内容
直接写出得数
2.1÷0.007=
357-198=
7.38+0.52=
×
=
（
+
)×20=
÷
=
31
×72
÷31
=
÷
×（
-
）=
3.5-6.5-3.5+6.5=
5-2
-1
=
2.1÷0.007=
357-198=
7.38+0.52=
| 5 |
| 16 |
| 8 |
| 15 |
（
| 3 |
| 5 |
| 1 |
| 4 |
| 4 |
| 9 |
| 8 |
| 15 |
31
| 3 |
| 8 |
| 5 |
| 13 |
| 3 |
| 8 |
| 17 |
| 35 |
| 25 |
| 41 |
| 8 |
| 9 |
| 8 |
| 9 |
3.5-6.5-3.5+6.5=
5-2
| 14 |
| 17 |
| 3 |
| 17 |
2.1÷0.007=300；
357-198=159；
7.38+0.52=7.9；
×
=
；
+
=
；
÷
=
；
31
×72
÷31
=72
÷
×（
-
）=0
3.5-6.5-3.5+6.5=0
5-2
-1
=1．
357-198=159；
7.38+0.52=7.9；
| 5 |
| 16 |
| 8 |
| 15 |
| 3 |
| 2 |
| 3 |
| 5 |
| 1 |
| 4 |
| 17 |
| 20 |
| 4 |
| 9 |
| 8 |
| 15 |
| 5 |
| 6 |
31
| 3 |
| 8 |
| 5 |
| 13 |
| 3 |
| 8 |
| 5 |
| 13 |
| 17 |
| 35 |
| 25 |
| 41 |
| 8 |
| 9 |
| 8 |
| 9 |
3.5-6.5-3.5+6.5=0
5-2
| 14 |
| 17 |
| 3 |
| 17 |
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