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(2 x 44+ 3 x 123 + 12 x 4+243 x 2) - m =234 x 2 + 3 x 33 + 124 x 2​

Răspuns :

Răspuns:

(2×44+3×124+12×4+243×2)-m=234×2+3×33+124×2

(88+372+48+486)-m=486+99+248

994-m=833

m=161