Ответ:
1) a-0,5ab-2=2/3-0,5*2/3*9/16-2=-1
2)-7y-0,5xy+53=39
3)8m-0,8n-8mn=1.75
4)13,2c-9d-9cd=-90
Объяснение:
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Ответ:
1) a-0,5ab-2=2/3-0,5*2/3*9/16-2=-1
2)-7y-0,5xy+53=39
3)8m-0,8n-8mn=1.75
4)13,2c-9d-9cd=-90
Объяснение: