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AbdusattarovZ [834] [off]
4+5=5+4
4-4=5-5
4(1-1)=5(1-1) keyin (1-1) 2 tarafdan qisqartiriladi shunda
4=5 => 4 beshga teng bo'gani uchun 2x2=5 rahmat bosishi unutmeng hazil
4-4=5-5
4(1-1)=5(1-1) keyin (1-1) 2 tarafdan qisqartiriladi shunda
4=5 => 4 beshga teng bo'gani uchun 2x2=5 rahmat bosishi unutmeng hazil