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题型:填空题 题类:常考题 难易度:容易
9的乘法口诀1876 10
4×2=
9×8=
24,22,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#},{#blank#}5{#/blank#},{#blank#}6{#/blank#},{#blank#}7{#/blank#},{#blank#}8{#/blank#},{#blank#}9{#/blank#},2,0.
五八四十
五九四十五
5×5= 83-31= 6×3= 65-17-13=
8×4= 7×5= 4×4= 23+36+11=
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