Răspuns :
a+b=72
b=3a
a+3a=72
4a=72
a=72:4
a=18 greble
18+b=72
b=72-18
b=54 lopeti
Răspuns:
unelte=72
greble =x
lopeti=3x
x+3x=72
x+x=72÷3
2x=24
x=12
greble=12
3×12=36
lopeti =36
a+b=72
b=3a
a+3a=72
4a=72
a=72:4
a=18 greble
18+b=72
b=72-18
b=54 lopeti
Răspuns:
unelte=72
greble =x
lopeti=3x
x+3x=72
x+x=72÷3
2x=24
x=12
greble=12
3×12=36
lopeti =36