Răspuns :
Răspuns:
a)x=71-62=9
y=43+19=62
b)
x=10+2=12
y=36-4=32
c)
x=40-19=21
y=4×4=16
y=24:3=8
Răspuns:
a)
62+x=71
x=71-62
x=9
62+9=71
y+19=43
y=43-19
y=24
24+19=43
b)
x+2=10
x=10-2
x=8
8+2=10
4+y=36
y=36-4
y=32
4+32=36
c)
40-x=19
x=40-19
x=21
40-21=19
y-40=60
y=60+40
y=100
100-40=60
d)
x:4=4
x=4×4
x=16
16:4=4
24:y=3
y=24:3
y=8
24:8=3