(1)(111+999)÷[56×(﹣)]
(2)200.5×10%+2.005×490+0.2005×5000
(3)3333×3333+9999×8889
(4)+++…+
(5)若3.5×[6.8﹣(1.6+△÷0.9)÷8.4=0.5,求△的值.
(1)(111+999)÷[56×(﹣)]
(2)200.5×10%+2.005×490+0.2005×5000
(3)3333×3333+9999×8889
(4)+++…+
(5)若3.5×[6.8﹣(1.6+△÷0.9)÷8.4=0.5,求△的值.
试题篮
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