👤
Gigi222
a fost răspuns

va rog x:9+9x9-9=100-5x5+2

Răspuns :

CosmoteRo

x:9+81-9=100-25+2

x:9+81-9=77

x:9+81=77+9

x:9=86-81

x:9=5

x=5x9

x=45

Abc112
[tex]x \div 9 + 9 \times 9 - 9 = 100 - 5 \times 5 + 2[/tex]

[tex]x \div 9 + 81 - 9 = 100 - 25 + 2[/tex]

[tex]x \div 9 + 72 = 75 + 2[/tex]

[tex]x \div 9 + 72 = 77[/tex]

[tex]x \div 9 = 77 - 72[/tex]

[tex]x \div 9 = 5[/tex]

[tex]x = 5 \times 9[/tex]

[tex]x = 45[/tex]

Alte intrebari