试题 试卷
题型:填空题 题类:常考题 难易度:普通
÷4 9× ×9 ×
÷ ×2 ÷1
13× 12 =
{#blank#}1{#/blank#} {#blank#}2{#/blank#}
{#blank#}3{#/blank#} {#blank#}4{#/blank#} (a是不为0的自然数)
25×25%= + = 21÷ = × = ÷ =
÷3= 15÷30%= 2.4× = 25÷ = 42× =
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