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2025年灵机一动小学数学口算心算二年级上册苏教版
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口算练习 1
1+1+1=
3
2+2+2=
6
3+3+3=
9
4+4+4=
12
5+5+5=
15
6+6+6=
18
1+1=
2
2+2=
4
3+3=
6
4+4=
8
1+1+1+1=
4
2+2+2+2=
8
3+3+3+3=
12
4+4+4+4=
16
5+5+5+5=
20
1×3=
3
2×3=
6
3×3=
9
4×3=
12
5×3=
15
6×3=
18
1×2=
2
2×2=
4
3×2=
6
4×2=
8
1×4=
4
2×4=
8
3×4=
12
4×4=
16
5×4=
20
3×1=
3
3×2=
6
1×5=
5
3×4=
12
3×5=
15
3×6=
18
2×1=
2
1×6=
6
2×3=
6
2×4=
8
4×1=
4
4×2=
8
4×3=
12
6×1=
6
4×5=
20
答案：解析：题目考查的是基础的加法和乘法口算能力。
答案：
1 + 1 + 1 = 3
2 + 2 + 2 = 6
3 + 3 + 3 = 9
4 + 4 + 4 = 12
5 + 5 + 5 = 15
6 + 6 + 6 = 18
1 + 1 = 2
2 + 2 = 4
3 + 3 = 6
4 + 4 = 8
1 + 1 + 1 + 1 = 4
2 + 2 + 2 + 2 = 8
3 + 3 + 3 + 3 = 12
4 + 4 + 4 + 4 = 16
5 + 5 + 5 + 5 = 20
1 × 3 = 3
2 × 3 = 6
3 × 3 = 9
4 × 3 = 12
5 × 3 = 15
6 × 3 = 18
1 × 2 = 2
2 × 2 = 4
3 × 2 = 6
4 × 2 = 8
1 × 4 = 4
2 × 4 = 8
3 × 4 = 12
4 × 4 = 16
5 × 4 = 20
3 × 1 = 3
3 × 2 = 6
1 × 5 = 5
3 × 4 = 12
3 × 5 = 15
3 × 6 = 18
2 × 1 = 2
1 × 6 = 6
2 × 3 = 6
2 × 4 = 8
4 × 1 = 4
4 × 2 = 8
4 × 3 = 12
6 × 1 = 6
4 × 5 = 20
