试题 试卷
题型:填空题 题类:常考题 难易度:容易
3、4的乘法口诀(2——5的乘法口诀)1601 10
2×2=
口 诀:
① 2×4-{#blank#}1{#/blank#}=0
② {#blank#}2{#/blank#}+3×2=10
③ 2×2+{#blank#}3{#/blank#}=7
④ 4×3+{#blank#}4{#/blank#}=15
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.
每条2元,一共多少元?
{#blank#}1{#/blank#}×{#blank#}2{#/blank#}={#blank#}3{#/blank#}
3×4= 8×7= 54÷9= 2×7=
9×1=4 2÷6= 5×6= 24÷8=
6×3= 45÷5= 32÷4= 49÷7=
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