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题型:填空题 题类:常考题 难易度:普通
期末易错题大闯关
322-199= 1.87+5.13= 2.5×2.4= × ÷ × =
( ): = ÷ = -( - )=
0.32-0.23= 4.9×8.1≈ 23.9÷8≈
={#blank#}4{#/blank#}×{#blank#}5{#/blank#}={#blank#}6{#/blank#}
①a÷20×19 ②a÷19×20 ③a×
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