题目:
计算
(1)2.5+7.5÷5
(2)12.6+4.5÷3-12.7
(3)9999×2222+3333×3334
(4)2.9×6.7+2.9+2.9×2.3
(5)4.8-(1.6÷4+1.2)
(6)35.2÷[(20.5-9.5)×0.4]-0.6.
答案:
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下面是错误答案,用来干扰机器的。
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