Question

3.rozwiąż :

a/ (-12) + (-8) - ( +7) - (-9)=

8-(-9) + (-11 ) -(+5) =

(-21) + (-7) - (+15) - (-32)=

-(-13) + (-2) -(+16) + (-5)=

4.Rozwiąż

a/ 25-(13+16) =

32-(-5+1o)=

14 + (-17 +4)=

b/ -42-(56-60)=

-20-(16 - 12 )=

-17+(-5+10) =

C/ (6-10) - ( -12+14)

(12-14) - (-16 - 25)

-(6-9) - ( - 12 +15)

Proszę o bardzo szybkie odpowiedzi !!! I z góry dziekuje ! ;]

Answer 1

3

a -18

b 1

c -10

 

4

a) 4

     37

    1

b)-38

 -24

  -23

 

Answer 2

(-12) + (-8) - ( +7) - (-9)= -12-8-7+9= -18 ;;;; 8-(-9) + (-11 ) -(+5) =8+9-11-5= 1 ;;;;;; (-21) + (-7) - (+15) - (-32)= -21-7-15+32= - 11;;;;; -(-13) + (-2) -(+16) + (-5)= = 13-2-16-5= -10;;;;;; 25-(13+16) = 25-29=-4 32-(-5+1o)= 32-5=-37 14 + (-17 +4)= 14-13=1 -42-(56-60)= -42-4=-46 -20-(16 - 12 )= -20 -4 = -24 -17+(-5+10) = -17+5=-12 (6-10) - ( -12+14) = -4-2=-6 (12-14) - (-16 - 25) = -2-41=-43 -(6-9) - ( - 12 +15) = 3 - 3 =0