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Mathematical Operations
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SwaCardsMental Ability
★ High freq+ means div, - means mul, x means add, div means sub. Solve: 12 + 4 - 3 x 8 div 2.
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SwaCards+ means div, - means mul, x means add, div means sub. Solve: 12 + 4 - 3 x 8 div 2.
15. (Substitute: 12÷4 × 3 + 8 − 2. BODMAS: 3×3+8−2 = 15.)
Step 1: substitute all symbols. Step 2: BODMAS. Never skip substitution step.
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