五年级数学下册《分数的简便计算》六大常考题型！
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简介
五年级数学下册 《分数的简便计算》六大常考题型 类型一7 + 3.8 - 4 类型四1.46x+2.54x =7 - 4 + 3.8 =x(1.46+2.54) =3+3.8 =x4 =6.8 = 类型二 12 - 7 + 5 类型五18x( + - ) =12 - (7 - 5) =18x +18x -18x =12 -2 =2+6-3 =10 =5 类型三0.125x32x2.5 类型六 x48 =0.125x8x4x2.5 = x(47+1) =1x10 = x47 + x1 =10 =46
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