Question

a) 7,5+1,2·5/12=

b) 2,5:2/5-1/4=

c) 1/3+1/6-(1/2)=

d) 2³+(2/3)²=

Answer 1

a)  7,5+1,2·5/12= 7,5+6/12=7,5+0,5=8

b) 2,5:2/5-1/4=25/100*5/2+1/4=125/200-50/200=75/200=0,375

c) 1/3+1/6-(1/2)=2/6+1/6-3/6=0

d) 2³+(2/3)²= 8 + 4/9= 8 i 4/9