试题 试卷
题型:解决问题 题类:常考题 难易度:普通
连乘7687
①( ﹣ )×24
②15÷15×
③2÷( + )
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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