Question

Cum se rezolva in doua moduri exercitiile de mai jos?
a) 4x(3+2+4)=
b) 5x(9-3-5)=

Am rezolvat folosind in mod de rezolvare dar al doilea ..

Answer 1

a) 4x 9=36
4 x 3 +4x2+4x4=
12+8+16=
36
b) 5x1=5
5x9-5x3-5x5=
45-15-25=
5

Answer 2

(4*3)+(4*2)+(4*4)=12+8+16=20+16=36; (5*9)-(5*3)-(5*5)=45-15-25=30-25=5