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Use parentheses to make each number sentence true 1+2×3+4=21​
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Use parentheses to make each number sentence true 1+2×3+4=21​

User HKumar
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(1+2)(3+4)
1+2=3
3+4=7
7•3=21
There is an invisible multiplication sign between the two parentheses :).
User Uva
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