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五年級(jí)小學(xué)數(shù)學(xué)口算題300題(參考版)

2025-04-07 03:08本頁面
  

【正文】 27= =9。5+1247。4= 0= = 3= = 8= 50= += = += = 1= += = += = ++= 1= = = += = = = += 1= -(3+)= 7247。+= -247。= 247。= = 3= =4247。= 247。30= 7= 6+4= 4= = += 1000= 10= = = += -= = 6= 9= 4= 247。= 12247。= 3/4 + 1/4 = 2 + 4/9 = 3 2/3 = 2 1/6 1/3 =3/4 1/2= 1/6 + 1/2 1/6 = (+)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 7/10 = 8= = 0=
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