a) -7*(-3)+(-2 1/2)* 1/2 =
b)-5,5:0,5-(-4*2+7* 1/2)=
c) -12-(-5)*3+14*0,1*(-3)=
Proszę o pełnie wyliczenia a nie tylko wynik.
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a) -7*(-3)+(-2 1/2)* 1/2 = 21+(-5/2)*1/2=21-5/4=21- 1 1/4=19 i 3/4
b)-5,5:0,5-(-4*2+7* 1/2)= -5,5*2-(-8+7/2)=11-(-8+3 1/2)=11-(-4 1/2)=11+4 1/2=15 i 1/2
c) -12-(-5)*3+14*0,1*(-3)=-12-(-15)+14*(-0,3)=-12+15-4,2=3-4.2=-1.2
a) -7*(-3)+(-2 1:2)* 1:2 = 21+(-5:2)*1:2=21-5/4=21- 1 1:4=19 i 3:4
b)-5,5:0,5-(-4*2+7* 1:2)= -5,5*2-(-8+7:2)=11-(-8+3 1:2)=11-(-4 1:2)=11+4 1:2=15 i 1:2
c) -12-(-5)*3+14*0,1*(-3)=-12-(-15)+14*(-0,3)=-12+15-4,2=3-4.2=-1.2