Ответ:
1) 13b+19b=32b
2) 44d-37d=7d
3) 34n+n=35n
4) 127q-q=126q
5) 36y-19y+23y=40y
6) 49a+21a+30=70a+30
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Ответ:
1) 13b+19b=32b
2) 44d-37d=7d
3) 34n+n=35n
4) 127q-q=126q
5) 36y-19y+23y=40y
6) 49a+21a+30=70a+30