Question

Hei, va rog ajutatima.
Calculati : -16 supra 45 : ( -8 supra 15) + ( - 8 supra21)

Answer 1

-16/45:(-8/15)+(-8/21)=

-16/45×(-15/8)+(-8/21)=

2/3+(-8/21)=2/3+8/21=amplificam cu 7=>14/21+8/21=22/21.

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