18
Sana____________
9 - nazorat ishi
I variant
1.
Qavslarni oching va ifodaning qiymatini toping:
23,6 + (14,5 - 30,1) – (6,8 + 1,9).
2.
Ifodani soddalashtiring va koeffiцientining tagiga chizing:
а)
p
k
4
7
3
; b)
5
,
5
2
,
3
4
,
2
m
; c)
b
a
2
1
1
2
1
2
15
8
.
3. O‘xshash qo‘shiluvchlarni ixchamlang:
х
у
х
у
х
7
20
2
15
3
4. Tenglamani yeching: а)
1
,
1
8
,
3
7
,
7
х
; b)
08
,
0
4
2
,
0
х
.
5. Bir bakda 55 litr, ikkinchisida 45 litr yog‘ bor. Birinchi bakdan 8 butil, ikkinchi
bakdan 6 butil to‘ldirilgach ikkala bakda teng yog‘ qoldi.Butta butilga qancha yog‘
sig‘adi?
II variant
1.
Qavslarni oching va ifodaning qiymatini toping:
8,7 + (13,7 - 15,2) – (24,6 - 20,1).
2.
Ifodani soddalashtiring va koeffiцientining tagiga chizing::
а)
k
n
m
8
4
5
; b)
3
,
4
35
,
0
8
,
3
y
x
; c)
7
3
3
1
1
16
9
p
.
3. O‘xshash qo‘shiluvchlarni ixchamlang:
n
n
m
n
m
7
15
9
14
8
4. Tenglamani yeching: а)
9
,
1
2
,
7
4
,
5
х
; b)
96
,
0
8
,
0
4
,
0
у
.
5. Alisherda 900 so‘m, Zamirada esa, 630 so‘m bori. Alisher 8 ta konfet, Zamira esa
shunday konfetdan 5 ta sotib olgach. Ularning qolgan puli teng bo‘ldi. Bitta konfet
nechta so‘m turadi?
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