KHADIJASARDI05 KHADIJASARDI05 08-12-2022 Mathématiques Answered a= 4 /15 + 2/5 +7/10b=1/16+1\8-1/6+1/12p4/15×20/218/7×5/45/1×7/103/7÷15/1224/10÷12/157/1 ÷16/5