Question

Calculați 1/3+1/4=, 2/5+4/10=, 9/12+1/4=,3/1+1/5=,1/9+5/6

Answer 1

Răspuns

Explicație pas cu pas:

1\3+1\4=(4+3)\12=7\12

2\5+4\10=(2+4)\10=6\10=3\5

9\12+1\4=(9+3)\12=12\12=1

3\1+1\5=(3*5+1)\5=(15+1)\5=16\5

1\9+5\6=92+5*3)\18=(2+15)\18=17\18