Question

probleme de clasa 3
4.afla nr ne cunoscute:
a.x+34=79     b.84-x=39      cx:4=13    9 * x=99

Answer 1

a) x=79-34
x=45
b) 84-39=x
x=45
c)x=99:9
x=11

Answer 2

a.x+34=79
x=79-34
x=45
b.84-x=39
x=84-39
x=45
c..x:4=13
x=13*4
x=52
d.9*x=99
x=99:9
x=11