3^-2-(-3)^-1 = 1/9 - (-1/3) = 1/9 + 1/3 = 4/9
0,4^0-(-0,25)^-3 = 1 - (-64) = 1 + 64 = 65
-(-2,5)^-2+(-2/5)^-2 = -1/(6.25) + 25 = -0.16 + 25 = 24.84
(-3)^-3-3,5^-1 = -1/(-27) - 2/7 = 1/27 - 2/7 = -15/189
-4^-3+(-4/5)^-2 = -1/64 + 25/16 = -1/64 + 25/16 = 399/64
-3,5^-1+(-2,5)^-2 = -1/3.5 + 1/6.25 = -2/7 + 4/25 = -18/49
3×(-4)^-2+5^-1 = 3*(1/16) + 1/5 = 3/16 + 1/5 = 23/80
(-2,7)^0+(1/7)^-1 = 1 + 7 = 8
3^-2-(-3)^-1 = 1/9 - (-1/3) = 1/9 + 1/3 = 4/9
0,4^0-(-0,25)^-3 = 1 - (-64) = 1 + 64 = 65
-(-2,5)^-2+(-2/5)^-2 = -1/(6.25) + 25 = -0.16 + 25 = 24.84
(-3)^-3-3,5^-1 = -1/(-27) - 2/7 = 1/27 - 2/7 = -15/189
-4^-3+(-4/5)^-2 = -1/64 + 25/16 = -1/64 + 25/16 = 399/64
-3,5^-1+(-2,5)^-2 = -1/3.5 + 1/6.25 = -2/7 + 4/25 = -18/49
3×(-4)^-2+5^-1 = 3*(1/16) + 1/5 = 3/16 + 1/5 = 23/80
(-2,7)^0+(1/7)^-1 = 1 + 7 = 8