Question

решите примеры подробно 7/33-6/77 5/88+4/33 4/32+11/56

Answer 1

7/33-6/77=(7*7)/231-(6*3)/231=49/231-18/231=31/231

5/88+4/33=(5*3)/264+(4*8)/264=15/264+32/264=47/264

4/32+11/56=(4*7)/224+(11*4)/224=28/224+44/224=72/224=9/28

Answer 2

Спасибо