Oblicz : (pamietaj o kolejnosci wykonywania dzialan )
1. 12,4-0,2*3+2(3-0,2) =
2. 4,5+3*23/4 =
3. (5/6+1/3):(22/3-1,75) =
4. 1,6+43/5:2,3-22/5 =
5. (-20)-(-15)-25+12=
6. (-1)*(-5)*(-3):(-2)=
7. (-2-6):[7-(-1)]=
8. -6,2:3,1-(-2)*10=
9. 25/-2+3*1,1=
Pomocy !!!!!!!!!!!!!!!!!!!!!!!
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