题目内容

能简算的要简算
(1)×+×= (2)54÷17= (3)57.6×0.11+57.6×0.89=
(4)19.62-6.4-3.6= (5)(+-)×36= (6)×57+×42+=
(1)原式=×(+
               =
(2)原式=54÷17+÷17
                =3
(3)原式=57.6×(0.11+0.89)
               =57.6
(4)原式=19.62-(6.4+3.6)
               =9.62
(5)原式=12+20-6
               =26
(6)原式=×(57+42+1)
                =12.5
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