两位数加一位数、两位数减一位数共4套

9 ０ - ９ ＝ﻩ9 + 68 =77 - 8 ＝ﻩ9１ + 9 =2 + 38 =2０ - 1 =4８ + 3 =ﻩ8 + 77 =40 - 3 =ﻩ39 + ２ ＝６2 — 4 =ﻩ68 ＋ ８ =2３ — 6 =50 — 4 =ﻩ３ + 4９ =ﻩ51 - 5 =５4 ＋ 7 =8 + 29 =ﻩ7４ － ７ =7３ + 7 ＝33 — 5 =4 ＋ 7８ =ﻩ75 － 8 ＝ﻩ70 — 6 =５ + 65 =92 — 7 =８9 ＋ 4 =ﻩ31 － 2 ＝94 — 9 ＝ﻩ4７ ＋ 6 =ﻩ８0 - ７ =４ + 36 =68 + ５ ＝ﻩ3５ - 6 =ﻩ7 + ４9 =65 — 7 =9 + 4１ =５1 － 8 ＝ﻩ5 + 17 =１00 — 5 =63 — 8 =９ + 4５ =47 － 8 =31 - 9 =6 + 2６ =ﻩ８2 － 8 ＝１9 + 9 ＝46 + 5 =８5 － 9 ＝66 + ９ ＝７2 － 3 ＝ﻩ67 - 9 =９7 ＋ 3 =７4 - 6 =ﻩ６ + ５8 ＝87 + 7 =５8 ＋ 2 =８ + 28 =ﻩ50 — 2 ＝66 ＋ 8 =8８ - 9 =60 － 9 =3 + 89 =ﻩ2１ — 3 =３9 + 7 =ﻩ2 + 7９ =ﻩ67 + 7 =ﻩ7 + １８ =６4 － 6 =ﻩ46 + 6 =42 — 9 =ﻩ23 + 8 ＝３３ + 7 =7 + 56 ＝ﻩ74 - 8 ＝72 － ５ =9 + ２9 =ﻩ３1 — 4 =9 + ２1 =4 + 5８ =92 - ８ =８4 - 5 ＝ﻩ84 + 7 =41 — 7 =6０ — ５ =ﻩ34 + ９ =ﻩ56 - ８ =ﻩ53 - 9 =5 + ４7 =6３ - ５ =8 + 92 =88 + 5 =52 - ４ =ﻩ５5 + 5 =ﻩ76 - 9 =ﻩ43 - 4 =8 + 79 =ﻩ８0 — 8 ＝ﻩ６５ + 6 =76 — 7 =33 - 7 =ﻩ6 + 49 ＝ﻩ37 - 8 ＝ﻩ76 + 4 =75 + ９ ＝ﻩ9１ - 6 =90 — 3 =ﻩ52 - 6 =4０ - 2 =6 + ７6 =6３ - ９ =ﻩ5 ＋ 46 =57 + 5 =ﻩ61 - 3 =ﻩ2 + 69 =ﻩ２7 + 7 =85 - 8 =ﻩ３7 + 8 =80 - 4 ＝ﻩ７5 - ９ =３8 ＋ 5 =73 - 4 ＝６6 ＋ 8 =ﻩ３3 ＋ 8 ＝96 — 7 =ﻩ６5 — ７ ＝ﻩ74 + 7 =ﻩ52 - ３ =34 - 5 ＝ﻩ29 + 3 =ﻩ52 — 9 =ﻩ77 + 6 =31 - 9 =ﻩ９5 + ５ =ﻩ92 － 5 =６1 + ９ =4０ － 6 =ﻩ４ ＋ 7７ ＝ﻩ７ + 79 =5 + 49 =76 — 8 =62 - ４ ＝ﻩ４7 - 8 ＝４3 － 5 =6５ — ６ =８ + 4８ =ﻩ４ + 7９ =ﻩ56 + 9 ＝81 — 4 =ﻩ52 - 6 ＝80 - 7 =ﻩ8８ + ４ =63...