20以内混合进阶题 100道 用时： 错误： 1 × 6 － 5 = 6 × 2 － 0 = 2 × 3 － 5 = 1 × 3 ＋ 0 = 8 × 3 － 3 = 4 × 0 ＋ 1 = 9 × 1 ＋ 1 = 8 × 5 8 × 3 － 4 = 2 × 2 3 × 5 ＋ 3 = 6 × 4 5 × 0 ＋ 3 = 1 × 2 2 × 5 ＋ 0 = 0 × 6 3 × 5 ＋ 2 = 2 × 1 2 × 5 － 1 = 6 × 0 9 × 2 － 0 = 6 × 1 5 × 7 － 4 = 1 × 6 2 × 7 ＋ 3 = 0 × 2 － 3 = 2 × 7 － 4 = 1 × 1 － 1 = 0 × 4 ＋ 3 = 6 × 2 ＋ 4 = 4 × 3 ＋ 5 = 9 × 6 ＋ 5 = 1 × 8 － 5 = 2 × 9 ＋ 1 = 0 × 0 ＋ 1 = 3 × 2 － 2 = ＋ 3 = ＋ 3 = ＋ 5 = － 3 = － 1 = － 3 = － 0 = ＋ 0 = － 3 = 5 × 4 － 5 = 0 × 8 ＋ 5 = 3 × 5 － 3 = 1 × 0 ＋ 1 = 0 × 5 ＋ 2 = 8 × 2 － 4 = 2 × 3 ＋ 0 = 7 × 1 ＋ 4 = 7 × 3 － 3 = 0 × 4 － 0 = 7 × 0 1 × 8 ＋ 2 = 9 × 1 2 × 5 ＋ 2 = 8 × 9 8 × 1 － 3 = 0 × 0 3 × 7 － 4 = 9 × 1 1 × 9 － 3 = 4 × 2 1 × 9 － 1 = 1 × 0 7 × 5 － 0 = 4 × 2 2 × 5 ＋ 5 = 3 × 3 1 × 8 － 0 = 8 × 2 ＋ 3 = 7 × 1 － 1 = 6 × 2 － 2 = 5 × 8 ＋ 5 = 4 × 4 ＋ 4 = 2 × 9 ＋ 1 = 0 × 9 ＋ 2 = 7 × 2 ＋ 3 = 3 × 2 ＋ 3 = 5 × 1 ＋ 3 = 9 × 0 ＋ 2 = － 4 = － 1 = ＋ 2 = ＋ 1 = ＋ 5 = ＋ 4 = － 2 = ＋ 5 = ＋ 4 = 2 × 9 － 3 = 8 × 2 ＋ 2 = 3 × 1 ＋ 1 = 5 × 2 ＋ 5 = 1 × 5 － 5 = 4 × 3 ＋ 2 = 1 × 7 － 0 = 0 × 4 ＋ 0 = 2 × 7 ＋ 1 = 9 × 2 ＋ 2 = 1 × 4 7 × 8 － 5 = 7 × 8 4 × 2 － 3 = 7 × 5 5 × 8 － 3 = 1 × 4 7 × 9 － 2 = 3 × 5 9 × 0 ＋ 0 =
＋ 4 = 5 × 2 － 1 = 7 × 3 － 5 = 3 × 4 ＋ 3 = 3 × 4 ＋ 1 = 2 × 4 ＋ 0 = － 4 = ＋ 0 = ＋ 3 = ＋ 2 =