100以内减法计算

77-7= 81-20= 49-66= 66-9= 66-21= 79-88= 25-93= 91-51= 54-50= 53-98= 65-86= 20-36= 94-95= 64-3= 71-56= 84-85= 6-44= 93-61= 7-31= 64-98= 89-74= 41-87= 32-55= 31-83= 13-45= 66-33= 21-71= 73-36= 99-73= 11-49= 100-52= 17-42= 41-99= 47-83= 46-89= 30-93= 91-10= 94-47= 68-26= 16-39= 72-55= 57-68= 66-97= 27-13= 68-94= 99-16= 58-21= 7-4= 2-5= 11-65= 50-52= 98-11= 12-43= 54-19= 77-92= 92-34= 76-48= 2-31= 14-66= 51-83= 7-63= 72-1= 95-36= 98-93= 12-90= 85-32= 11-91= 11-45= 53-71= 33-95= 67-97= 95-97= 94-24= 94-59= 41-18= 15-29= 30-78= 84-95= 92-3= 79-41= 15-48= 19-54= 86-6= 24-41= 86-59= 56-14= 79-56= 8-59= 2-83= 49-6= 32-98= 25-63= 4-63= 42-81= 43-79= 2-94= 78-56= 41-96= 17-43= 86-49= 72-32= 2-62= 14-16= 79-75= 8-66= 68-16= 74-88= 96-42= 30-70= 18-43= 100-79= 100-56= 36-61= 97-3= 48-17= 94-49= 88-64= 47-32= 54-25= 43-85= 87-100= 98-67= 44-87= 31-2= 51-99= 33-19= 46-54= 66-95= 87-82= 16-83= 6-42= 11-54= 20-60= 88-24= 59-99= 76-30= 17-35= 12-68= 36-46= 71-95= 38-67= 41-22= 24-12= 71-60= 83-70= 90-100= 23-60= 21-49= 36-85= 43-83= 66-93= 26-83= 70-25= 4-36= 60-91= 24-10= 14-69= 42-36= 3-70= 90-100= 23-47= 32-12= 24-51= 1-79= 98-11= 34-53= 25-88= 96-43= 32-9= 30-13= 13-58= 3-27= 68-16= 21-48= 99-29= 19-75= 32-41= 77-10= 40-20= 85-92= 8-79= 99-22= 1-48= 85-98= 13-19= 17-9= 92-45= 70-21= 5-63= 40-53= 38-68= 50-47= 53-37= 83-88= 78-68= 91-77= 74-79= 27-1= 25-80= 54-5= 42-90= 3-58= 41-86= 39-20= 12-13= 53-63= 88-9= 38-34= 8-26= 48-23= 45-83= 73-19= 40-57= 35-42= 20-11= 36-76= 90-17= 66-62= 67-38= 6-11= 51-72= 64-83= 55-46= 59-77= 10-10= 51-32= 52-23= 72-82= 16-64= 72-42= 55-42= 41-87= 85-88= 20-44= 15-70= 92-97= 45-74= 82-73= 84-23= 8-98= 25-17= 72-3= 87-54= 3-79= 42-25= 26-27= 20-62= 68-18= 28-77= 79-33= 74-88= 82-34= 79-29= 9-67= 67-91= 84-99= 54-37= 91-7= 16-66= 62-11= 1-35= 3-52= 41-72= 42-77= 13-33= 52-92= 8-84= 23-78= 61-50= 74-96= 12-37= 62-76= 2-63= 48-69= 72-26= 14-57= 65-15= 79-25= 86-50= 30-68= 48-100= 49-36= 52-30= 9-59= 54-52= 48-66= 17-68= 100-67= 36-93= 41-24= 5-61= 25-56= 88-83= 61-32= 62-16= 95-73= 82-12= 40-89= 25-40= 25-98= 8-30= 10-74= 81-5= 4-84= 35-27= 93-73= 51-71= 79-87= 20-95= 95-63= 63-3= 22-11= 21-39= 82-38= 62-93= 48-97= 84-28= 38-24= 93-54= 54-96= 20-46= 20-41= 72-65= 42-49= 3-56= 64-62= 6-90= 73-16= 59-67= 10-79= 6-97= 79-45= 47-20= 64-83= 73-84= 89-80= 57-4= 98-92= 20-65= 86-24= 53-98= 77-36= 56-51= 58-52= 22-35= 85-93= 84-48= 10-44= 95-88= 73-27= 67-82= 33-41= 37-49= 68-47= 90-27= 25-80= 37-20= 36-38= 98-59= 28-32= 61-42= 30-93= 27-35= 4-96= 12-35= 61-13= 52-33= 3-48= 88-73= 40-70= 15-55= 79-69= 7-83= 66-30= 20-67= 41-35= 21-7= 58-96= 22-93= 58-32= 24-70= 63-41= 26-73= 42-89= 74-41= 10-56= 8-23= 1-27= 12-91= 52-9= 7-44= 79-46= 13-61= 84-26= 35-62= 96-72= 75-46= 2-69= 12-91= 89-42= 15-50= 92-87= 8-7= 38-70= 63-14= 90-88= 45-57= 60-26= 17-62= 57-63= 30-77= 56-30= 89-78= 79-77= 24-90= 16-33= 87-11= 68-46= 27-89= 10-49= 48-21= 79-50= 69-62= 76-42= 82-98= 38-98= 38-37= 85-20= 76-43= 65-47= 99-19= 44-89= 13-94= 73-68= 8-69= 84-24= 9-13= 67-6