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Cum se face 4.500 - 5 x 450 - 5 x ( 5 la puterea 55 : 25 la puterea 27 + 10 la puterea 2 : 4) x (1 x 2 la puterea 2 x 3 la puterea 3 - 3 x 6 la puterea 2 + 7) : 42=?

Răspuns :

4500-5×450-5×(5^55:25^27+10^2:4)×(1×2^2×3^3-3×6^2+7) : 42 =

= 4500-2250-5×(5^55:5^54+100:4)×(4×27-3×36+7) : 42 =

= 2250-5×(5+25) ×(108-108+7) : 42 =

= 2250 - 5×30 × 7 : 42 =

= 2250 - 1050 : 42 =

= 2250 - 25 =

= 2 225