Explicație pas cu pas:
a)
⁶³9/17+¹⁵³23/7-¹¹⁹1/9=567+3519-119/1071=3967/1071
b)
²¹13/32+¹⁶19/42+¹²17/56=273+304+206/672=
783/672
c)
¹⁴1/5+¹⁰1/7+⁵26/14=14+10+130/70=154/70
d)
(99×26+11)/26-(71×13+3)/13-(23×26+7)/26=
2585/26-²926/13-605/26=1038/26
e)
(3×4+1)/4+(2×15+1)/15+(4×30+1)/30+8=¹⁵31/4+13/4+
⁴31/15+²121/30+⁶⁰8=195+124+242+480/60=1041/
60
f)
⁴1/3+³(2×4+1)/4+⁶(3×2+1)/2+³(3×4+1)4=4+27+42+39/
12=112/12
