№1) /_1 = 180- /_2 |
} =>/_1=108,/_2=72
/_1 : /_2 = 3:2 |
3+2=5
180:5=36
2*36+3*36=180
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№1) /_1 = 180- /_2 |
} =>/_1=108,/_2=72
/_1 : /_2 = 3:2 |
3+2=5
180:5=36
2*36+3*36=180