Mashina6Ю234 1 qaysi misolda ayirish to`gri bajarilgan

6-SINF 2-CHORAK


1-VARIANT

1. 18/X=3/5 tenglikni qanoatlantiruvchi xni qiymatini toping

A. 30 B.20 C.10
2. 5/6 ga teng kasrni toping:
A. 10/13 B. 15/18 C.15/20
3. Qisqarmas kasrni ko’rsating
A.40/16 B.15/16 C.15/20
4. Kasrlarni qisqartiring:
75/100
A.2/3 B.4/5 C.3/4
5. (4·9·15)/12·3·5 kasrni qisqartiring:
A1/3 B.3 C.1/5
6.3/4 ga teng bo’lmagan kasrni toping:
A.24/36 B.9/12 C.15/20

7. Qisqaruvchi kasrni tanlang:

A. 12/65 B. 2/6 C.19/21
8. 432/1026 KASRlarni qisqartiring
A.8/19 B.1/3 C. 4/9
9. (3·2·15)12·4 10
a)3/4 B)5/10 C)3/10
10.TENGLAMANI YECHING 17X-9=280
A)18 B)17 C)19
11.30-6X=6 TENGLAMANI YECHING
A)6 B)8 C)4
12NOMALUM X NI TOPING 7/18:X=7/9
A)1/3 B)1/4 C01/2

13. 
    NOMALUM XNI TOPING 3/4·X=12
    

A)5/8 B)5/9 C)1/6
14. QUYIDAGI NISBATDAGI NOMALUM HADNI TOPING
3/5:X=4 ½

15.X NI TOPING 5X:3=8:9

A)8/15 B)4/15 C)1/15

16.TENGLAMANI YECHING Y-4/25=10/25

A)6/121 B)12/25 C)14 25
17. KO`PAYTMANI TOPING 4/20·5/10
A)1/5 B)1/10 C)2/10
18.KO`PAYTUVCHINI TOPING 5·2/3
A)3/13 B)10/3 C)2/15
19.Hisoblang 4/7·14/15·3/8
A) 2/15 B)5/8 C)2/10
20.Ifodani qiymatini toping (7/10-4/15)·4/13
A)4/15 B)2/15 C)3/15
21 30ning14/15 qiymatini toping
A)28 B)30 C)24
22. 15ning 2/5 qismini toping
A)6 B)8 C)15
23.Bo`linmani toping 3 1/2:2 ½
A)2/3 B)1/2 C)1 1/2
24.Tenglamani yeching 8/19·x=8/19
A)1 B)1/2 C)8/19
25 .amallarni yeching ½-/1/3/·6
A)6 B)1 C)1/6
2-variant
1.8/12=x/3tengligi qanoatlantiruvchi xning qiymatini yeching
A)4 B)2 C)8
2.3/4ga teng kasrni toping
A)10/13 B)15/18 C)15/20
3.Qisqarmas kasrni yoping
A)30/60 B)15/16 C)84/60
4.Kasrlarni qisqartiring 100/250
A)3/4 B)2.5 C)4/8
5.(8·9·20)24·3·25 kasrni qisqartiring
A)12/15 B)1/020 C)5
6.2/3ga tengbo`lmagan kasrni toping
A)6/9 B)10/15 C)8/15
7 .Qisqaruvch kasrni tantang
A)4/12 B)12/15 C)17/20
8.64)2052 kasrlarni qisqartiring
A)4/9 B)8/19 C)5/10
9.3·2·15(12·4 10 kasrni qisqartiring
A)3/4 B)5/10 C)3/10
10.telamani yeching 12x+4=148
A)12 B)14 C)10
11.64-8x=8 tenglamani yeching
A)8 B)9 C)7
12 Nomalum x ni toping x:7/12=2/7
A)2/3 B)2..5 C)1/6
13 Nomalum xni toping 6/8·x=10/24
A)7/10 B)5/9 C)2/7
14 Quyidagi nisbatdagi nomalum hadni toping x:31/4=2/13;
A)3/4 B)1/2 C)27/10
15 x ni toping 8:3x=5:2
A)15/16 B)1 3/5 C)17/15
16.Tenglamani yeching 28/45+y=44/45
A)26/45 B)16/45 C)18/45
17.Ko`paytmani toping 2/3·5/6
A)4/9 B)3/6 C)5/9
18.Ko`paytirishni bajaring 4·3/5
A)2 2/5 B)3/4 C)10/5
19 Hisoblang 1o/21·7/20·3/5
A)2/10 B)5/10 C)1/10
20 Ifodoni qiymatini toping (1/15+1/5)·15/22
A)4/11 B)2/11 C)5/22
21 15ning 2/5 qismini toping
A)6 B)8 C)15
22.Bo`lishni bajaring 11/18:5/9
A)17/10 B)1 1/10 C)5/10
23.Bo`linmani bajaring 2 5/8:1 ¾
A)4/7 B)2/3 C)1 1/3
24 Tenglamani yeching 12/5y=12/5
A)1 B)1/2 C)5/12
25 Amallarni bajaring 1/5+2/15·3/4
A)4 b)1/4 C)1/5