Question

ma puteti ajuta va rooooooog? la toate exercitiile ​

Answer 1

Explicație pas cu pas:

ex8

d:)x+25/100=58/100

x=58/100-25/100

x=33/100

f:)100/100-×=25/100

×=100/100-25/100

×=75/100

e:)75/100-×=37/100

×=75/100-37/100

×=38/100

ex 9

×+3/9=8/9

x=8/9-3/9

×=5/9

ex10

×=1/5+3/5

×=4/5

ex11

7/8-x=3/8

×=4/8

ex12

2/7+3/7=5/7

7/7-5/7=2/7

ex13

5/6-2/6=3/6

1/6×2/6=2/6

Suma =5/6

ex14

3/10+5/10=8/10

9/10-7/10=2/10

8/10-2/10=6/10

ex15

1:)1/3+2/3-1/3=2/3

2:)7/8-5/8+3/8=5/8

3:)2/4+1/4+1/4=4/4

4:)3/10+5/10-6/10=2/10

5:)3/7+4/7-6/7=2/7

6:)1/6+5/6-6/6=0

sper ca te am ajutat

te asigur ca este corect