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Alinteodor63
a fost răspuns

10x10 x {2,5-[0,4x(14,1x1,5-21,1)-0,01]:0,5}=

Răspuns :

Mya05
10×10×{2,5-[0,4×(21,15-21,1)-0,01]÷0,5}
=10×10×{2,5-[0,4×0.05-0.01]÷0.5}
=10×10×{2.5-(0.02-0.01)÷0.5}
=10×10×{2.5-0.01÷0.5}
=10×10×(2.5-0.02)
=10×10×2.48
=100×2.48
=248

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