Ответ:
.) 1.5x+2y
2)2.4x+2.7y
3)7.3a+8.4b
4)3.2a+5.35b
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Ответ:
.) 1.5x+2y
2)2.4x+2.7y
3)7.3a+8.4b
4)3.2a+5.35b