👤
Mita32
a fost răspuns

b) [(58xa-80):25]x64=1280
e) [(420:a)x4+24]:4=11
Vreau toata rezolvarea, va rog, repede

Răspuns :

Crys157724

[(58×a-80):25]×64=1280

[(58×a-80):25]=1280:64

[(58×a-80):25]=20

(58×a-80)=20×25

(58×a-80)=500

58×a=500+80

58×a=580

a=580:58

a=10

[(420:a)×4+24]:4=11

[(420:a)×4+24]=11×4

[(420:a)×4+24]=44

(420:a)×4=44-24

(420:a)×4=20

420:a=20:4

420:a=5

a=420:5

a=84

Alte intrebari