Răspuns:
b) 25 - 5^2 + 220 \times (3^2 - 2^3 - \frac{8}{100})25−5
2
+220×(3
2
−2
3
−
100
8
)
25 - 5^2 + 220 \times (9 - 8 - 0.08)25−5
2
+220×(9−8−0.08)
25 - 25 + 220 \times 0.9225−25+220×0.92
220 \times 0.92220×0.92
202.4202.4
c) \frac{23}{20} + 3 \times 32^2 - \frac{6^2}{4}
20
23
+3×32
2
−
4
6
2
1.15 + 3 \times 1024 - 91.15+3×1024−9
1.15 + 3072 - 91.15+3072−9
3064.153064.15
d) 2^1 \times (6^3 + 6 \times [22 + 3^1 (52 - 2 - 3 - 10^2 - 723)])2
1
×(6
3
+6×[22+3
1
(52−2−3−10
2
−723)])
2 \times (216 + 6 \times [22 + 3(52 - 2 - 3 - 100 - 723)])2×(216+6×[22+3(52−2−3−100−723)])
2 \times (216 + 6 \times [22 + 3(-779)])2×(216+6×[22+3(−779)])
2 \times (216 + 6 \times [-211])2×(216+6×[−211])
2 \times (216 - 1266)2×(216−1266)
-2100−2100
