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Topic:
运算顺序
计算 8 × (6 + 4) − 12 ÷ 3
76
64
72
80
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76
按运算顺序计算表达式 6 + 4 × (3 + 2) 的值。
26
50
40
30
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26
计算8 × (15 ÷ 3) – 14的值。
22
26
28
30
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26