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c)
a) (225:9+1024:16-2³):9=
[(112+22):5-4²]:3=
e) (432:24-42).9-42=
g) (5016:6-36+1):3-6²-
b) (512:26 +2³):24 =
d) (196:14+19600):7+2²=
f) [(516:3-132)-24-6²]:2²=


Răspuns :

a) \(\frac{{225}}{{9}} + \frac{{1024}}{{16}} - 2^3 = 25 + 64 - 8 = 89\)

b) \(\frac{{112 + 22}}{5} - 4^2 = \frac{{134}}{5} - 16 = 26.8 - 16 = 10.8\)

c) \((432 \div 24 - 42) \times 9 - 42 = (18 - 42) \times 9 - 42 = (-24) \times 9 - 42 = -216 - 42 = -258\)

d) \((512 \div 26 + 2^3) \div 24 = (19.69 + 8) \div 24 = 27.69 \div 24 = 1.15375\)

e) \(\left[\frac{{196}}{{14}} + 19600\right] \div 7 + 2^2 = \left[14 + 19600\right] \div 7 + 4 = 19614 \div 7 + 4 = 2802 + 4 = 2806\)

f) \(\left[\frac{{516}}{{3}} - 132 - 6^2\right] \div 2^2 = \left[172 - 132 - 36\right] \div 4 = 4 \div 4 = 1\)

g) \(\frac{{(5016 \div 6 - 36 + 1)}}{3} - 6^2 = \frac{{834 - 36 + 1}}{3} - 36 = \frac{{799}}{3} - 36 \approx 266.33 - 36 \approx 230.33\)