7.4 × 8.2 + 3.5 × 4.5 = ? + 11.5 × 2.5
7.4 × 8.2 + 3.5 × 4.5 = ? + 11.5 × 2.5 60.68 + 15.75 = ? + 28.75 76.43 = ? + 28.75 ? = 76.43 – 28.75 ? = 47.68
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