Question

VA ROOOG TOT EX 21!!!!! VA DAU 27 DE PUNCTE SI VA DAU MULTUMESC LA CANAL!!!!!

Answer 1

Răspuns:

a) (38-9)×2-57=1

b) 2583:[(2+5×19)-56]=

2583:(97-56)=

2583:21=123

c) [(41+65):2-50]:3+1=

(53-50):3+1=2

d) 25-[30+2×(145-145)-20]=

25-(30-20)=15

e) 3[35+16(230-228)]-(42+246-4×22)=

3(35+16×2)-200=

201-200=1

f) [302+19(68-48)]:2-340=

(302+19×20):2-340=

690:2-340=

345-340=5

g) 325+325:[178-17×(189-180)]=

325+325:(178-17×9)=

325+325:(178-153)=

325+325:25=

325+13=338

Answer 2

Răspuns:

Explicație pas cu pas: