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)1589 10
2×3=
6×2=
8×2=
1×7=
4×3={#blank#}1{#/blank#}3×1={#blank#}2{#/blank#}3×4={#blank#}3{#/blank#}1×2={#blank#}4{#/blank#}
2和2的积与和都相等.
7个5相加是{#blank#}4{#/blank#},再加3个5是{#blank#}5{#/blank#}.
4×3= 66-45= 70-5= 23-(46-38)=
36+7= 25+65= 23+37= 21+19+34=
5×6= 90-45= 2×2= 6×6-28=
42-8= 6×4= 4×4= 40+(89-54)=
25+21= 5×3= 6×3= 70+2×6=
6×7{#blank#}1{#/blank#}24 43-8-30{#blank#}2{#/blank#}15
42-36{#blank#}3{#/blank#}2×3 95-8{#blank#}4{#/blank#}8×5
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