1. 30-70h=30
2. 300+70h=-30
3. 300-70h=-30
4. 300+70h=30
...
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Mathematics, 19.02.2021 19:30 kayleg907436
1. 30-70h=30
2. 300+70h=-30
3. 300-70h=-30
4. 300+70h=30
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Answers: 2
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