退位减法 两位数减两位数 100题.docx

Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date退位减法 两位数减两位数 100题退位减法 两位数减两位数 100题退位减法两位数减两位数 100题 分数： 81-17= 83-19= 60-29= 95-16=60-23= 91-14= 75-17= 93-67=40-23= 95-29= 70-52= 90-12=70-51= 91-37= 93-64= 91-67=71-47= 84-39= 77-18= 72-35=50-15= 74-19= 30-13= 96-29=73-44= 96-67= 80-17= 93-59=82-37= 83-24= 87-18= 74-56=44-27= 64-29= 91-22= 76-47=73-17= 85-27= 33-16= 66-19=61-12= 90-67= 31-14= 71-56=88-39= 73-56= 42-29= 43-25=80-66= 51-22= 90-31= 80-45=52-28= 60-39= 93-55= 66-28=76-49= 40-25= 61-14= 71-22=64-36= 82-65= 70-42= 94-36=90-71= 92-29= 75-58= 56-38=42-25= 80-63= 38-19= 94-47=50-17= 74-36= 64-38= 50-29=86-67= 63-35= 94-45= 77-38=50-21= 96-78= 34-15= 90-66=78-19= 80-43= 94-38= 60-31=70-34= 84-49= 90-21= 34-14=80-58= 70-42= 83-66= 90-49=95-36= 50-39= 41-25= 53-18=-