Răspuns:
a)
[(120×625)×(2³×10)]:(2×5³:25)⁵
[75 000×(8×10)]:(2×125:25)⁵
2×2×2=4×2=8
5×5×5=25×5=125
(75 000×80):(250:25)⁵
6 000 000:10⁵
10×10×10×10×10=100×100×10=10 000×10=100 000
6 000 000:100 000
60
b)
6+2×[(3×5²-2²×18:3²+3×11):2²]
6+2×[(3×25-4×18:9+3×11):4]
6+2×[(75-72:9+33):4]
6+2×[(75-8+33):4]
6+2×[(67+33):4]
6+2×(100:4)
6+2×25
6+50
56
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