Question

Afla numarul necunoscut : 38+(a+30:15)x2-64:32=60

Answer 1

Răspuns:

Explicație pas cu pas:

-

38+(a +30;15 ) *2-64:32=60

38+ (a +30 :15)*2-2=60

38+(a+2 )*2 =60+2

38+(a +2)*2=62

(a +2 )*2=62-38

(a+2)*2=24

a+2=24:2

a+2=12

a=12-2

a=10