50以内混合进阶题 100道用时：错误：
3 ×
4 ＋
5 = 4 × 9 ＋ 12 = 0 × 8 ＋ 10 =
4 × 1 ＋ 1 = 9 × 9 － 4 = 4 × 3 ＋ 4 = 1 × 2 ＋ 2 = 4 ×
5 ＋ 8 = 9 × 3 － 11 = 4 × 7 ＋ 11 = 1 ×
6 ＋ 9 = 3 × 9 ＋ 11 = 4 × 6 － 6 = 9 × 3 ＋ 13 = 6 × 6 － 3 = 0 × 3 － 0 = 5 × 5 － 10 = 1 × 3 ＋ 2 = 3 × 4 － 2 = 8 × 6 －
7 = 6 × 3 － 11 = 3 × 9 ＋
8 = 7 × 0 ＋ 12 = 2 × 6 ＋ 14 = 6 × 1 ＋ 4 = 2 × 3 ＋ 6 = 6 × 6 ＋ 0 = 8 × 4 － 8 = 4 × 0 ＋ 10 = 6 × 0 ＋ 7 =
2 × 8 ＋ 0 = 4 × 9 － 0 = 2 × 8 ＋ 2 =
3 × 9 ＋ 9 =
4 × 8 － 8 =
5 × 1 ＋ 3 = 8 × 0 ＋ 1 = 4 × 8 －
6 = 3 × 3 － 0 = 5 × 9 － 3 = 3 × 6 － 1 =
7 × 6 ＋ 5 = 2 × 2 ＋ 7 =
8 × 4 ＋ 6 = 4 × 5 － 14 = 2 × 4 ＋ 10 =
9 × 3 ＋ 14 = 4 × 4 － 2 = 8 × 2 ＋ 5 = 4 × 5 － 5 = 5 × 4 － 11 =
3 ×
4 ＋ 0 = 7 × 4 ＋ 2 =
5 × 8 － 3 =
4 × 4 － 12 = 6 ×
5 － 14 = 1 × 1 － 1 = 7 × 2 ＋ 0 = 0 × 7 ＋ 7 = 1 × 3 ＋ 8 =
7 × 4 ＋ 5 = 5 × 3 － 6 = 9 × 1 ＋ 9 =
4 × 7 － 3 = 7 × 1 － 4 = 8 × 6 － 4 =
5 × 7 － 0 = 4 × 5 － 4 = 2 × 5 ＋ 5 =
3 × 6 ＋
4 = 7 × 3 － 6 = 0 × 3 ＋ 13 =
4 × 7 － 9 = 2 × 1 ＋ 1 =
5 × 9 － 2 = 3 × 3 ＋ 2 =
6 × 2 ＋ 6 = 2 × 8 ＋ 5 = 6 × 1 － 6 = 0 × 1 ＋ 14 = 8 × 3 ＋ 8 = 4 × 9 ＋ 10 = 6 × 3 ＋ 9 = 6 × 1 ＋ 10 = 9 × 4 － 0 = 8 ×
7 － 4 = 4 × 4 ＋ 10 = 7 × 5 ＋ 5 =
8 × 1 ＋ 11 = 5 × 6 － 1 = 2 × 7 － 4 = 6 × 1 ＋ 1 = 2 × 1 ＋
9 = 8 × 6 ＋ 0 = 1 × 5 ＋ 14 = 6 × 9 － 10 = 1 × 9 － 4 = 7 × 4 － 10 = 4 × 5 － 12 = 4 × 3 ＋ 10 =