Question

2¹⁹⁹⁰-2¹⁹⁸⁹-2¹⁹⁸⁸/x=4⁹⁹³/0,25

Va rog repede!Am nevoie urgent!Dau coroana +20 de puncte ​

Answer 1

Explicație pas cu pas:

2^1988(4-2-1)/x=4^ 993/2^-2

2^1998/x=2^1986/2^-2

2^1998/x=2^1988

x=2^1988/2^1988

x=1

unde: ^= la puterea

-=minus

/= impartit