Proszę, kto umie niech rozwiąże .
Dam naj. ;)
Zad 1 .
a)
-3-(-7)+(-8):(-2
______________
21:(-7)-10:(-10)
b)
(-6)*2-[-10+(-20):(-4)]+12:(-4)
________________________
[40:(-5)-42:(-7)]-3
c)
[3+(-16):4]*[-5-(-2)*3]
___________________
[8+8:(-2)]-(-48)-(-16)
d)
-2+18:[2-(-4)]-[(-2)*(-4)-(-1)]
_________________________
[(-12):(-3)+(-3)*2]-(-6)
-5+[2*(-4)-(-3)]
e) 3- ___________
[(-1)*4-(-20):2]:3
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-5+[2*(-4)-(-3)]= -5+[ -8+3]= -5-5=-10
[(-1)*4-(-20):2]:3= [-4+10]:3= 7:3= 2 i 1/3
-3-(-7)+(-8):(-2)= 4+4=8
21:(-7)-10:(-10)=-3
(-6)*2-[-10+(-20):(-4)]+12:(-4)=-12+5+12=5
[40:(-5)-42:(-7)]-3=[-8-6]-3=--14-3=-17
[3+(-16):4]*[-5-(-2)*3]=-1*1=-1
[8+8:(-2)]-(-48)-(-16)=4+48+16=68
[(-12):(-3)+(-3)*2]-(-6)=-2+6=4