oblicz wartosci wyrazen
a) -(-3.2)+(-2)5*(1/2-5/8)-(-0.8)
5 to potęga
=3,2+(-32)*(-1/8) +0,8= 3,2+32/8+0,8 = 3,2+4+0,8= 8
-(-3.2)+(-2)5*(1/2-5/8)-(-0.8) =
=3.2-32*(4/8-5/8)+0.8=
=-28.8*(-1/8)+0.8=
=-28/10*(-1/8)+0.8=
3.6+0.8=4.4
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=3,2+(-32)*(-1/8) +0,8= 3,2+32/8+0,8 = 3,2+4+0,8= 8
-(-3.2)+(-2)5*(1/2-5/8)-(-0.8) =
=3.2-32*(4/8-5/8)+0.8=
=-28.8*(-1/8)+0.8=
=-28/10*(-1/8)+0.8=
3.6+0.8=4.4