100以内三个两位数连减（2023-10-17）

100以内三个两位数连减（2023-10-17）：50-11-38= 71-15-49= 98-24-25= 42-11-15= 51-10-18= 97-27-16= 69-20-11= 72-37-28= 99-21-33= 62-18-17= 64-38-26= 92-41-39= 91-44-30= 99-46-25= 70-42-11= 68-25-40= 96-32-45= 59-29-29= 95-35-36= 57-10-20= 65-12-14= 90-27-59= 94-37-28= 67-28-31= 88-33-42= 73-11-17= 95-10-45= 65-34-14= 44-27-11= 83-24-45= 79-36-10= 99-25-42= 33-19-12= 87-13-14= 61-25-17= 88-10-22= 97-50-10= 99-44-27= ...