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题型：计算题 题类：常考题 难易度：容易
6的乘法口诀 1789
6×{#blank#}1{#/blank#} ={#blank#}2{#/blank#}
3×{#blank#}3{#/blank#} ={#blank#}4{#/blank#}
口诀：{#blank#}5{#/blank#}
{#blank#}1{#/blank#}×6<22 4×{#blank#}2{#/blank#}<40 5×{#blank#}3{#/blank#}<27
8>3×{#blank#}4{#/blank#} {#blank#}5{#/blank#}×9<30 31>8×{#blank#}6{#/blank#}
28－7= 5×8 = 28－16 = 6×4 = 50－6 =
45+7 = 22+60= 6×7 = 7×8－8= 5×5+6=
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