Masalalarni tenglama yordamida yechish — 7-sinf Algebra test savollari

1.Ikki sonning yig'indisi 84 ga teng, ulardan biri ikkinchisidan 3 marta katta. Kichik sonni toping.

• A)63
• B)21
• C)28
• D)14

2.To'g'ri to'rtburchakning uzunligi enidan 5 sm ortiq, perimetri 46 sm. To'g'ri to'rtburchakning enini toping (sm).

• A)14
• B)9
• C)23
• D)18

3.Otaning yoshi o'g'lining yoshidan 24 katta. 6 yildan keyin ota o'g'lidan 2 marta katta bo'ladi. O'g'ilning hozirgi yoshini toping.

• A)30
• B)18
• C)24
• D)12

4.Uchta ketma-ket kelgan natural sonning yig'indisi 63 ga teng. Eng kattasini toping.

• A)22
• B)23
• C)20
• D)21

5.Ikki sonning ayirmasi 12, yig'indisi 48. Kattasini toping.

• A)36
• B)18
• C)24
• D)30

6.Bir sonning 3 barobariga 8 qo'shilsa, 29 hosil bo'ladi. Shu sonni toping.

• A)11
• B)7
• C)8
• D)9

7.Kvadratning perimetri 28 sm. Uning tomonini toping (sm).

• A)14
• B)6
• C)7
• D)9

8.Sonning 2 barobaridan 5 ayirilsa, 15 hosil bo'ladi. Shu sonni toping.

• A)10
• B)15
• C)5
• D)12

9.Ikki sonning yig'indisi 30, biri ikkinchisidan 6 ta katta. Kichik sonni toping.

• A)10
• B)18
• C)12
• D)15

10.Bir kitobning narxi ikkinchisidan 3 marta qimmat, ikkalasining narxi yig'indisi 48000 so'm. Arzon kitobning narxini toping (so'm).

• A)12000
• B)16000
• C)24000
• D)36000