Calculate the value of the expression 1 - [2 - (3 - [4 - 5] + 6) + 7].

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-3

Correct

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Official Explanation

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To solve 1 - [2 - (3 - [4 - 5] + 6) + 7], we first simplify inside the brackets: 4 - 5 equals -1. Thus, we have 1 - [2 - (3 - [-1] + 6) + 7]. Next, we calculate 3 - (-1), which gives us 4. Now we…

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Comments

TvMar 15, 2024

Good question

HQMay 31, 2024

appreciated!

What this question tests

What it tests

Your fluency with the order of operations, fractions, decimals, and basic number sense — the foundation every quant question leans on.

Common trap

Applying the order of operations out of sequence or rounding intermediate values before the final step.