Potrzebuję rozpisane obliczenia. Pilne, bo na jutro.
a) -6,2:3,1 - (-2,1 · 10) =
b) 2+( -4 1/2) · (-20) =
c) 2 · [3 1/4 - (-3,75)] · 3.5 =
d) (-10) ·(1 1/5 - 5,5) =
e) 3·(-10)²+(-3)³ =
f) (-7)· (-10²)-(-7)
g) (-9)·(-8)-5·(-10²)=
h) 28,5· (-3.2-0,8)/-2 =
i) (-0,2)·(-100) - 4½ · ⅔ =
j) (-2,6):0,26 + ½ · 8² =
k) (2,7-3:10)³ · (-1)
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a) -2 +21=19
b)2+(-4,5*(-20))=2+90
c)2*(3,25+3,75)*3,5=49
d)(-10)*(-4)=10*4=40
e)3*100-27=273
f)-7*100+7=-693
g)72-5*100=-428