Question

Oblicz.

/ - ułamek

a)11+(-12)+39+9-8=

b)-4 i 1/2 + 1/6 + (-1/2) + 1 i 1/3

c)45+(-9)+(-91)+5

d)6,25+1/4 +(-3/5)+0,75

e)4/7+(-7/14)+1/14

f)1/2+(3/4) + (-5/8)

g)5 i 2/2+(-3 i 4/5)+1/3+(-1/5)

Answer 1

a)11+(-12)+39+9-8=39
b)4 1/2+1/6+(-1/2)+1 1/3=4 3/6+1/6-3/6+3/6=4 4/6
c)45+(-9)+(-91)+5=-50
d)6,25+1/4+(-3/5)+0,75=6,25+0,25+(-0,6)+0,75=6,65
e)4/7+(-7/14)+1/14=8/14+(-7/14)+1/14=2/14
f)1/2+(3/4)+(-5/8)=0,5+0,75-0,625=1,25-0,625=0,625
g)5 i 2/2+(-3 i 4/5)+1/3+(-1/5)=6+(-3 4/5)+1/3+(-1/5)=6-4+1/3=2 1/3