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题型:单选题 题类:常考题 难易度:容易
小学数学六年级上册 分数四则混合运算(含分数混合运算及运算律)7656 10 (19)
甲数除以乙数(0除外),等于甲数乘乙数的倒数.
① × = ② ×15= ③ ÷ = ④3.2× =
⑤ ÷ = ⑥0.9÷ = ⑦ × ÷ = ⑧ ÷ ×7=
253-199= + = 2.3+7= 3÷0.6=
12×25%= 12÷ = × = 0.22=
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