Question

Scrie fiecare propozitie pri doua exercitii,apoi calculeaza in doua moduri.a)Mareste de 5 ori suma numerelor 6 si 2 b)Dubleaza suma numerelor 3 si 4 c)Tripleaza suma numerelor 6 si 4.

Answer 1

a) (6+2)x5=8x5=40
     (6+2)x5=6x5+2x5=30+10=40
b) (3+4)x2=7x2=14
    (3+4)x2=3x2+4x2=6+8=14
c) (6+4)x3=10x3=30
    (6+4)x3=6x3+4x3=18+12=30

Answer 2

a) (6+2)×5=8×5=45

b) (3+4)×2=7×2=14

c) (6+4)×3=10×3=30



SUCCES ! ☺