MindProofTarget Number · Make 30
Use 1, 4, 7, 9 exactly once to make 30. Use +, −, ×, ÷ and parentheses. Fractional and negative intermediate values are allowed.
target-v2-002Easy
1479
Get a hint
Try making a product of 10 and 3.
One valid solution
9 + 1 = 10; 7 − 4 = 3; 10 × 3 = 30.
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