Odpowiedź :
a. 4,3+2/5=4 3/10+2/5= 43/10+2/5= 43/10+4/10= 47/10= 4 7/10
b. 5.25-2 1/8= 5 1/4-2 1/8= 21/4-17/8=
42/8-17/8= 25/8= 3 1/8
c. 4,8-2 3/7= 4 4/5-2 3/7= 24/5-17/7=
168/35-85/35= 83/35= 2 13/35
b. 5.25-2 1/8= 5 1/4-2 1/8= 21/4-17/8=
42/8-17/8= 25/8= 3 1/8
c. 4,8-2 3/7= 4 4/5-2 3/7= 24/5-17/7=
168/35-85/35= 83/35= 2 13/35