试题 试卷
题型:解决问题 题类:常考题 难易度:容易
用9的乘法口诀求商1976 10
3{#blank#}1{#/blank#}7=21 7{#blank#}2{#/blank#}3=10
8{#blank#}3{#/blank#}4=32 9{#blank#}4{#/blank#}6=3
32=8{#blank#}5{#/blank#}4
4 × 1 = 3 × 2 = 6 × 2 = 1 × 8 =
4 + 1 = 3 + 2 = 6 + 2 = 1 + 8 =
2×2=
3×3=
4×4=
5×5=
6×6=
1×5=
2×5=
3×5=
4×5=
2×6=
□×5=5
□×5=10
□×5=15
□×5=20
□×5=25
90-50+3890-50+38 9角1元 4×32×6
2×42+2+2+2 19分2角 3+23×2
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