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Problem #9 · August 5, 2026
Amallar tartibi
Hisoblang:
13
⋅
47
−
13
⋅
42
13 \cdot 47 - 13 \cdot 42
13
⋅
47
−
13
⋅
42
A
60
60
60
B
✓
65
65
65
C
650
650
650
D
13
13
13
Solution
Umumiy koʻpaytuvchini qavsdan tashqariga chiqaramiz:
13
⋅
47
−
13
⋅
42
=
13
⋅
(
47
−
42
)
=
13
⋅
5
=
65
13\cdot47-13\cdot42=13\cdot(47-42)=13\cdot5=65
13
⋅
47
−
13
⋅
42
=
13
⋅
(
47
−
42
)
=
13
⋅
5
=
65
.
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