Prosiłbym o pomoc
1. -(-2)-(-4 i 2/5): (-11) x 6 i 1/4
2. -|-4.2+5 i 1/4+ [-(-8 i 1/2)x (-0,3)]
3. (5-11+10) do potęgi drugiej - (-1+2) do potęgi trzeciej - (-4/5) do potęgi 0
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1.
-(-2) -(-4i2/5) :(-11) *6i1/4 = 2 -(-22/5) *(-1/11) * 25/4= 2-(-2/5)*(-1/1)*25/4=
= 2 -2/5 *25/4 = 2- 1/1 * 5/2 = 2 - 5/2 = 2 - 2 i1/2 = - 1/2
2.
-[-4,2 +5i1/4]+ [-(-8i1/2) *(-0,3)]= -[-4,2 +5,25] +[-(-8,5)*(-0,3)] = -[1,05 ]+[-2,55]=
= -1,05 -2,55 = - 3,60
3.
(5-11+ 10)^2 -(-1 +2)^3-(-4/5)^0 = 4^2 -(1)^3 -1 = 16 -1 -1 = 14