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题型:填空题 题类:常考题 难易度:普通
小学数学分数四则复合应用题习题(3)
322-199= 1.87+5.13= 2.5×2.4= × ÷ × =
( ): = ÷ = -( - )=
0.32-0.23= 4.9×8.1≈ 23.9÷8≈
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