1) 1, 2, 3 ... a) 4, 5, 6 b) 5, 6,4 c) 3, 4, 5 d) 8, 9, 10 2) 7, 8, 9 ... a) 10, 12, 11 b) 10, 11, 12 c) 10, 9, 8 d) 11, 12, 13 3) 14, 15, 16 ... a) 18, 5, 3 b) 17, 16, 15 c) 17, 18, 19 d) 7, 8, 9 4) 21, 22, 23 ... a) 20, 19, 18 b) 24, 25, 27 c) 24, 25, 26 d) 24, 23, 22 5) 36, 37, 38 ... a) 39, 50, 51 b) 37, 38, 39 c) 39, 40, 42 d) 39, 40, 41 6) 55, 56, 57 ... a) 58, 59, 60 b) 58, 59, 70 c) 58, 49, 60 d) 50, 51, 52 7) 64, 65, 66 ... a) 57, 58, 59 b) 67, 68, 69 c) 47, 48, 49 d) 77, 78, 79 8) 88, 89, 90 ... a) 82, 83, 84 b) 100, 99, 98 c) 91, 92, 93 d) 91, 93, 92 9) 97, 98, 99 .. a) 100, 110, 120 b) 100, 200, 300 c) 11, 12, 13 d) 100, 101, 102 10) Counting backwards 10, 9, 8, 7 ... a) 6, 5, 4, 3 b) 8, 9, 10, 11 c) 6, 3, 1, -1 d) 9, 8, 7, 6 11) Counting bakwards 23, 22, 21, 20 ... a) 21, 22, 23, 24 b) 29, 28, 27, 26 c) 19, 18, 17, 16 d) 39, 38, 37, 36 12) Counting backwards 59, 58, 57, 56 ... a) 57, 58, 59, 60 b) 55, 54, 53, 52 c) 85, 84, 83, 82 d) 65, 64, 63, 62

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?