Question

evidentiind factorul comun efectuati:

a)3×12-3×2=

b)4×23+4×11=

c)7×49+7×31-7×50=

d)17×15-15×7=

e)5×18+5×2=

f)9×11+30×11-11×16=​

Answer 1

Răspuns:

a) = 3(12-2)=3x10=30

b). =4(23+11)=4x34=136

c). =7(49+31-50)=7x30=210

d). =15(17-7)=15x10=150

e). =5(18+2)=5x20=100

f). =11(9+30-16)=11x23=253

Explicație pas cu pas: