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REY [17]
3 years ago
8

What is the answer plz help

Mathematics
1 answer:
Alex73 [517]3 years ago
6 0
1.
1 + 2 = 3 \:  \: 3 - 4 =  - 1
2.
30 - 10 = 20 - 15 = 5 + 10 = 15
4.
12 - 5 = 7
5.
1 + 18 = 19 - 11 = 9 + 16 = 25
6.
30 - 5 = 25 + 11 = 36
7.
- 6
9.
1196 + 18 = 1214 + 3 = 1217
1217 - 5 = 1212 + 27 = 1239
1239 - 38 = 1201







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Can someone please help me? I don't understand this problem. How would they be the same???
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