- ( 1 1/4 ) ^ - 1 + 2 ^ -2 + 26 -1= -(5/4)^(-1) + (1/2)^2 + 25 = - 4/5 + 1/4 + 25
= -16/20 + 5/20 + 25 = - 11/20 + 25 = 25 - 11/20 = 24 i 9/20 = 24,45
I wariant
- ( 1 1/4 ) ^ - 1 + 2 ^ -2 + 26 -1 =
= - (5/4)⁻¹+2⁻²+2⁻¹ =
= -4/5+1/4+1/2 =
-16+5+10 -1
= --------------- = ------ = -0,05
20 20
II wariant
= - (5/4)⁻¹+2⁻²+25 =
= -4/5+1/4+25 =
-16+5 -11
= --------+25 = ------+25 = 24i9/20
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- ( 1 1/4 ) ^ - 1 + 2 ^ -2 + 26 -1= -(5/4)^(-1) + (1/2)^2 + 25 = - 4/5 + 1/4 + 25
= -16/20 + 5/20 + 25 = - 11/20 + 25 = 25 - 11/20 = 24 i 9/20 = 24,45
I wariant
- ( 1 1/4 ) ^ - 1 + 2 ^ -2 + 26 -1 =
= - (5/4)⁻¹+2⁻²+2⁻¹ =
= -4/5+1/4+1/2 =
-16+5+10 -1
= --------------- = ------ = -0,05
20 20
II wariant
- ( 1 1/4 ) ^ - 1 + 2 ^ -2 + 26 -1 =
= - (5/4)⁻¹+2⁻²+25 =
= -4/5+1/4+25 =
-16+5 -11
= --------+25 = ------+25 = 24i9/20
20 20