Ответ:
-25/28 + (-18/35) = -125/140 + (-72/140)= -1 57/140
-40/64 + (-35/72)= -360/576 + (-280/576) = -640/576 = -1 64/576= -1 1/9
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Ответ:
-25/28 + (-18/35) = -125/140 + (-72/140)= -1 57/140
-40/64 + (-35/72)= -360/576 + (-280/576) = -640/576 = -1 64/576= -1 1/9