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Biggest Product

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the biggest/smallest product.

Hint

Hint

In order to make the biggest/smallest product, which numbers should we use?

Answer

Answer

Biggest Product: (9+6)(8+7)
Smallest Product: (1+2)(3+4)

Source: Nanette Johnson

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13 comments

  1. when it says biggest/smallest I assumed there would be an answer for the biggest and the smallest

  2. (5+4) (6+4)

  3. (1+2)+(3+4)

  4. (2+4)(6+8)

  5. sorry I meant (1+2)(3+4)

  6. (8+5)(4+5)

  7. (1*8)(2*4)

  8. (5+7)(8+6)=
    12×14=168

  9. (1+9)(2+8)
    (1+2)(2+0)

  10. (9+6)(8+7)

    (1+2)(3+4)

  11. (9+6) + (8+7) = 30
    (1+2) + (3+4) =10

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