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题型:填空题 题类:常考题 难易度:困难
用6的乘法口诀求商1917 10
246=4 38=24 123=9 182=9
想:{#blank#}2{#/blank#}六十八,商是{#blank#}3{#/blank#}.
={#blank#}1{#/blank#}, ={#blank#}2{#/blank#}
{#blank#}1{#/blank#}
3×4= 15÷5= 4×6= 4×2+8=
30÷5= 5×5= 25+5= 3×6+5=
5×1= 6÷1= 3×4= 5×5-8=
18÷6= 30÷6= 4÷2= 3×5-5=
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