Question

repede va rog dau coroană ​

Answer 1

Răspuns:

1. a+b=100

b= a+20

a____ suma 100

b____+20

100-20=80(suma a doua nr egale)

80:2=40(un nr-a)

b=40+20

b=60

2.a+b=300

b=a*3

a,b=?

a_ suma 300

b_ _ _

3+1=4(segmente egale)

300:4=75(un nr-a)

75*3=25(b)