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题型:填空题 题类:常考题 难易度:容易
8的乘法口诀 1838 10
{#blank#}1{#/blank#}
{#blank#}1{#/blank#}÷{#blank#}2{#/blank#}={#blank#}3{#/blank#}÷{#blank#}4{#/blank#}={#blank#}5{#/blank#}÷{#blank#}6{#/blank#}=6
9+9+9+9+9写成乘法算式是9×5.
6×9=
2×5=
4×8=
7×4-7=
8×6=
7×9=
7×5=
9×2+36=
3×7=
9×4=
2×2=
40+6×2=
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