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Question

Вычислите:
а)9/14-3/7+15/28;
б)7/12-5/6+13/24;
в)13/18-29/45+8/15;
г)9/16+7/24-3/8;
д)2/5+4/15-5/9;
е)37/42-17/24+5/7.

Answer 1

А)=18/28-12/28+15/28=21/28=3/4
б)=14/24-20/24+13/24=7/24
в)=65/90-58/90+48/90=55/90=11/18
г)=27/48+14/48-18/48=23/48
д)=18/45+12/45-25/45=5/45=1/9
е)=148/168-119/168+120/168=149/168