1 a. |
50 + 30 + ______ =
130 |
|
1 b. |
______ + 40 + 50 =
110 |
|
2 a. |
50 + _________ + 80 =
200 |
|
2 b. |
______ + 80 + 70 =
190 |
|
3 a. |
10 + 30 + _________ =
110 |
|
3 b. |
60 + 80 + _________ =
210 |
|
4 a. |
_________ + 60 + 90 =
160 |
|
4 b. |
90 + 70 + _________ =
230 |
|
5 a. |
_________ + 70 + 80 =
220 |
|
5 b. |
50 + 10 + ______ =
120 |
|
6 a. |
10 + ______ + 50 =
100 |
|
6 b. |
_________ + 60 + 20 =
160 |
|
7 a. |
80 + 30 + ______ =
170 |
|
7 b. |
_________ + 50 + 30 =
160 |
|
8 a. |
30 + _________ + 50 =
150 |
|
8 b. |
90 + 80 + _________ =
180 |
|
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