duauifja duauifja

20-02-2019
Mathematics

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Insert () into the equation to make each number sentence correct.

7 x 4 - 2 + 1 = 21

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tuetheturtle tuetheturtle

20-02-2019

Answer:

Step-by-step explanation:

(7 x 4) - (2 +1)

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23-02-2019

It is 7 x (4 - 2 + 1) = 21.

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