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题型:填空题 题类:常考题 难易度:普通
比的意义和性质7890 10
=∶
① + = ②1﹣ ﹣ = ③ + + = ④ ÷ =
⑤0× + = ⑥0.25×0.5×20= ⑦1.5÷100×10= ⑧ :0.25=
⑨1× ÷ ×1= ⑩ + + + =
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