题型:解决问题 题类:常考题 难易度:普通
7的乘法口诀1793 10
8 × 9={#blank#}1{#/blank#} |
6 × 7 ={#blank#}2{#/blank#} |
5 × 4 ={#blank#}3{#/blank#} |
9 × 7 -7 ={#blank#}4{#/blank#} |
5 × 6 ={#blank#}5{#/blank#} |
4 × 9 ={#blank#}6{#/blank#} |
7 × 8 ={#blank#}7{#/blank#} |
6 × 9 + 9 ={#blank#}8{#/blank#} |
32-8 ={#blank#}9{#/blank#} |
40 + 28 ={#blank#}10{#/blank#} |
56 + 9 ={#blank#}11{#/blank#} |
67-40 + 21 ={#blank#}12{#/blank#} |
①{#blank#}1{#/blank#}×8=56 | 4×{#blank#}2{#/blank#}=28 | 7×{#blank#}3{#/blank#}=14 |
②{#blank#}4{#/blank#}×5=5 | 5×{#blank#}5{#/blank#}=15 | {#blank#}6{#/blank#}×5=45 |
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