Problem

\( 2-2 \times 9+9=? ? \)

Solution

Step 1 ：\( 2 - 2 \times 9 + 9 \)

Step 2 ：\( 2 - 18 + 9 \)

Step 3 ：\( -16 + 9 \)

Step 4 ：\( -7 \)

From Solvely APP
Source: https://solvelyapp.com/problems/21092/

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