va rog dau coroana pls
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Răspuns:
Explicație pas cu pas:
i)
17 - 11/2 *2^3/33 + 3^-1
= 17 - 11/2*8/33 + 1/3
= 17 - 4/3 + 1/3 = 17 - 3/3 = 17 - 1 = 16
___________
j)
(-1)^9 = -1
(-1)^8 = 1
(-1)^7 = -1
-9/5 - 8/5 - 7/5 - (-4*3)^2 : 720
= -24/5 - (-12)^2 : 720
= -24/5 - 144 : 720
= -24/5 - 1/5 = -25/5 = -5