试题 试卷
题型:填空题 题类:常考题 难易度:容易
用9的乘法口诀求商1990 10
÷=
3×{#blank#}1{#/blank#}=15 {#blank#}2{#/blank#}×5=25 9×{#blank#}3{#/blank#}=3621
4×{#blank#}4{#/blank#}=2×6 4×{#blank#}5{#/blank#}=2×8 {#blank#}6{#/blank#}×8=4×6
28÷{#blank#}2{#/blank#}=4
28÷{#blank#}3{#/blank#}=7
试题篮