核心提示: (5 + 6) × 2 (3 + 2) ÷ 1 (4 - 10) × 2
(5 + 6) × 2
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(3 + 2) ÷ 1
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(4 - 10) × 2
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(4 + 10) × 6
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(40 + 8) ÷ 8
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(7 + 7) × 2
|