👤
Taken1
a fost răspuns

Am nevoie in 10 minute...
Helppppp.

Am Nevoie In 10 MinuteHelppppp class=

Răspuns :

VladutMicut
a)[tex] 2^{2} [/tex]=[tex] 5^{2} [/tex]+[tex] 3^{2} [/tex]-30⇔4=25+9-30⇔4=34-30 (A)
b)[tex] -5^{2} [/tex]=49+4-28⇔25=49+4-28 (A)
c)49-9=(-4) x (-10)⇔ 40=40 (A)
d)121-100=(-21) x (-1)⇔21=21 (A)

Alte intrebari