Question

вычислите а) 15+34+15+14, б)1112+710+3100+112, в)1217+1524+38+517 г) 37+59+49+47

Answer 1

1/5+3/4+1/5+1/4=1/5+1/5+3/4+1/4=2/5+4/4=2/5+1=1 2/5
11/12+1/12+7/10+3/100=12/12+70/100+3/100=1+73/100=1 73/100
12/17+5/17+15/24+3/8=17/17+5/8+3/8=1+8/8=1+1=2
3/7+4/7+5/9+4/9=7/7+9/9=1+1=2