题目内容

“神思妙算”对又巧!
(1)4275+240÷16×5 (2)(2.5+0.125)×8-3.6
(3)×÷(+ (4)×[-(-)]
(1)原式=4275+15×5
                =4275+75
                =4350
(2)原式=2.5×8+0.125×8-3.6
                =20+1-3.6
                =17.4
(3)原式=÷
                =×
                =
(4)原式=×(-
                =×
                =
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