Question

Vă rog frumos 2.3.si 4

Answer 1

2. x:3=5
x=5x3
x=15

x:4=4
x=4x4
x=16

x:4=8
x=8x4
x=32

x:2=7
x=14

16:x=4
x=16:4
x=4

25:x=5
x=5

32:x=4
x=8

15:x=3
x=5

16:4:x=1
4:x=1
x=4:1
x=4

30:5:x=3
6:x=3
x=2

15:3:x=1
5:x=1
x=5

16:2:x=1
8:x=1
x=8

3. mx7+48=83
mx7= 83-48
mx7=35
m=35:7
m=5

mx(56-49)=28
mx7=28
m=28:7
m=4

m:(42-37)=8
m:5=8
m=40

nx3+37=100-39
nx3+37=61
nx3=24
n=24:3
n=8

45-n:7=90-51
45-n:7=39
n:7=45-39
n:7=6
n=42

100-m:9=45+46
100-m:9=91
m:9=9
m=81

4. x:6x5=25
x:6=25:5
x:6=5
x=6x5
x=30

x:7x6=42
x:7=7
x=49

x:8x5=30
x:8=6
x=48

x:7x9=63
x:7=7
x=49

x:9x8=64
x:9=8
x=72

x:10x5=25
x:10=5
x=50