1 9 3 7 3 6 8 2 4 3 5 8 +7 1 +5 7 +4 7 -7 6 -1 4 -2 9 5 7 7 1 1 1 9 5 2 9 9 6 -1 8 -5 4 +8 9 -4 9 +4 9 -4 7 5 8 5 2 2 9 1 7 3 3 6 2 -2 9 +2 9 +4 5 +5 6 +5 8 +2 8 用竖式计算90-38= 56+39= 9+87= 58-29= 67-39= 67+26= 98-54= 8+63= 72-17= 50-18=口算76-37= 54-29= 79-64= 98-48= 64+24= 75-55=56-36= 67-60= 85-50= 42-32= 55+38= 15+56= 69-31= 93-56= 23+32= 42-19= 71-15= 62-56=37-25= 50+22= 62-48= 22+55= 46-28= 48-26= 86-45= 70-42= 72-54= 16+27= 43-27= 75-33=40-12= 83-56= 76-37= 54-29= 79-64= 48+35=