Question

Oblicz :

6+(-17)+(-25)+30+(-13)=

5-7+23-4-(-3)+45-75=

2 1/2+(-4,5)+(-2 1/2) +4 1/2=

5 2/3 + (3 4/5) + 1/3 + (1 1/5)=

16: [ (-30) - (-4) x 8 ] x (-8)=

3/10 x (-5) - (-4) : (- 1/2)=

x- razy

1/2- jedna druga

Dla porannych nie ogarków =]

Answer 1

1

6-17-25+30-13=-19

 

2)

5-7+23-4+3+45-75=-10

3)

5/2-45/10-5/2+9/2=25/10-45/10-25/10+45/10=0

4)

17/3+19/5+1/3+5/6=170/30+114/30+10/30+25/30=319/30=10 19/30

5)

16:[-30+4*8]*(-8)=16:2*(-8)=8*(-8)=-64

6)

-15/10-8=-15/10-80/10=-95/10=-9 5/10=-9  1/5

Answer 2

1)-19

2)-10

3)=0

4)19/30

5)-64

6)-9  1/5