Question

afla numarulnecunoscut a:(42-36)=7 b×(428-419)=90 c:(63:7)=4

Answer 1

a:(42-36)=7
a:6=7
a=7x6
a=42

bx(428-419)=90
bx9=90
b=90:9
b=10

c:(63:7)=4
c:9=4
c=4x9
c=36

Answer 2

a÷(42-36)=7
a÷6=7
a=7×6
a=42
V:42÷6=7
b×(428-419)=90
b×9=90
b=90÷9
b=10
V:10×9=90
c÷(63÷7)=4
c÷9=4
c=4×9
c=36
V:36÷9=4
Sper ca te-am ajutat!