6-sinf Matematika test. III – chorak

6-sinf Matematika test. III – chorak.
1. Nisbati 5 ga teng proporsiya tuzing.
A) 15:75 =11:55 B) 9 :45=3:15 C) 25:5=10:2 D) 49:7=65:5
2. Proporsiyaning noma’lum hadini toping; 18:5=72:x
A) 16 B) 15 C) 18 D) 20
16. Hisoblang: ; 14*25-16*25
A) 40 B) -50 C) 50 D) -40
4. Proporsiyaning o’rta hadlari 63 va 54 ga teng. Chetki hadlaridan biri 35ga teng.
Proporsiyaning ikkinchi chetki hadini toping.
A) 96,2 B) 97,2 C) 95,2 D) 94,2
5. Radiusi 50 mm bo’lgan aylana uzunligini toping.
A) 31,4 B) 3,14 C) 314 D) 3140
6. Diametri 4,6 dm bo’lgan doira yuzini toping.
A) 16,6106 B) 15,6 C) 18,7 D )19,66
7. Yuzi 81dm² ga teng bo’lgan doira aylanasining uzunligi qancha?
A) 54,2 B )55,5 C) 56 D) 56,52
8. Tenglamani yeching: 1-2x1=18
A) 9 B)18 C) 19 D) 16
9. Hisoblang: |-16| + |-14| - |-8| * |-2|;
A) 15 B) 14 C) 17 D )18
10. Ifodaning qiymatini toping. |-40,5| : 5 - |16,4| : | -4|;
A) 4 B) 8 C) 9 D) 10
11. Sonlarni qo’shing: (-71) + 9 + (-29);
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12. Amallarni bajaring: -9 + (-28) + (-27);
Javob:_________________________________________________________________
13. Tenglamani yeching: x-23=-43
Javob:__________________________________________________________________
14. Hisoblang: (-28) * (-5) – 7 * 8;
Javob:__________________________________________________________________
15. Noma’lum son ni toping. -2-24=-20
Javob:__________________________________________________________________