456,32 ×2 × 6 + 9 × 4 × 456,23 + 456,32 × 18 + 456,23 × 7 × 4 + 6 × 456,32

0 bình luận về “456,32 ×2 × 6 + 9 × 4 × 456,23 + 456,32 × 18 + 456,23 × 7 × 4 + 6 × 456,32”

1. Đáp án:

   `456,32 × 2 × 6 + 9 × 4 × 456,23 + 456,32 × 18 + 456,23 × 7 × 4 + 6 × 456,32`

   `= 456,32 × 12 + 456,32 × 36 + 456,32 × 18 + 456,32 × 28 + 456,32 × 6`

   `= 456,32 × ( 12 + 36 + 18 + 28 + 6 ) `

   `= 456,32 × 100 = 45632`

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2. 456,32 ×2 × 6 + 9 × 4 × 456,23 + 456,32 × 18 + 456,23 × 7 × 4 + 6 × 456,32

   =456,32 ×(2 × 6) + (9 × 4) × 456,23 + 456,32 × 18 + 456,23 × (7 × 4) + 6 × 456,32

    = 456,32×12 + 36 × 456,23 + 456,32 × 18 + 456,23 × 28 + 6 × 456,32

   =456,32 ×(12 + 36 + 18 + 28 + 6 )
   =456,32 ×(48 + 18 + 28 + 6 )

   =456,32 ×(66+28 + 6  )

   =456,32 ×(94 + 6 )

   =456,32 × 100

   =45632

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