Помогите решить 9-4\7, 5-12\18, 2-25\50, 3-44\60, ( 4-2 5\8)+3 7\8, (6-3 15\20)+2 10\20, (3 15\25+2 10\25)-(2 8\16+ 1 2\16), 5- 4\8+ 12\8
1.= 63-4/ 7 =59/7; 2.=5 - 2/3 = 13/3; 3.=3 - 11/15 =34/15; 4.=11/4 + 21/8 = 43/8; 5.=15/4 + 1 = 19/4; 6.=13/5 -9/8 =59/40; 7.=10-1+3/ 2 = 12/2 = 6;