Răspuns :
4*x=2 ->x=2:4=1:2=0,5
11/5+x=22/7 ->x=22/7-11/5=(22*5-11*7)/35=33/35
1/4:x=3 ->x/4=3 -> x=4*3=12
5/7*x=2 -> x=2*7/5=14/5
1/2*x=2->x=2*2=4
11/5+x=22/7 ->x=22/7-11/5=(22*5-11*7)/35=33/35
1/4:x=3 ->x/4=3 -> x=4*3=12
5/7*x=2 -> x=2*7/5=14/5
1/2*x=2->x=2*2=4