Posted in մաթեմ 6

Մայիս 23

1․- 14+6=20

20-100%

6-?

?=6.100/20

?=30%

2.-100-35=65

65-26

100%-?

?=100.26/65

?=40%

3.-100-25=75

75-27

100%-?

?=100.27

?=36%

4.-15.40/100=6

15+9=24

6.100/24=10%

5.- 40.20/100=8

40+10=50

8+10=18

18.100/50=36%

6.- 60.30/100=18

60+14+6=80

18+14=32

32.100/80=40%

Հեղինակ՝

6-6

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