20以内进位加法和退位减法练习1500题

16-9 12-5= 5+6= 4+= 13-8 15-8= 9+8 13-6= 8= 146= 6= 14-8= 5 19 2-5= 56= 1= 11-= 8+7= += 15-7= 23= += += -5= 12= 9+5= +9= 6-8= 9+3 7+7 +6= 1-= 8= 7-9= 6+7= 11-9= += 4- 5= 16= +9= 59 18-9 4+9 6+5= 37= 8+= +2= 7+= 1 + +7= 8+ 14-= 12-9= 9 17-8= 2-= +9= 127= 6= 12- 9+4= 59= 1-4= 1-6 66= 15= 1= 15-= 1-8= 11-= +7 4+8 13-8= 15-8 9+8= 36= 78= 46= += -8 +7= 16-9= 12-= 5 14-= 11-= 8+7= 69= 15-7= 1-3= 5+8= 9+9= 13-5= 128= 9+5= 7+9= 16-8= 9+3= 7+7= 76= 13-9= 8+= -9 +7= -9= 8+= 14-5 +5= 1-7= += 5+ -9= 4+9= +5= -7 3 +2 4 11-= 9+6= 9+ +4 1= 129= 3+9= 178= 2-6= +9= 2-= 3+ +8= 12-4= 9+= 19= 13-4= 11-6= 66= 11-5= 1= 15-6= 11-8 1-2= 47= 4+8 1-= 15-8= 9+8= 13-6= 7+8= 14-= 8+6= 14-8= 57= 1-9= 12-5 += 14-= 13 8+7 +9= 5-7 2-3 58= +9 -= 12-= +5= 7+= -8= 9+3= 7+= 7+6= 13-9= 8+8= 1-= 6+7 11-9= 5= 1-5 7+5= -7 89= 59= 8 4+9 6+5 13-7= 8= 9+2= 7+= 117= 96 97 84 149= 12-9= 3+9 1-= 12-6= +9= 12-7 + 6+8= 2-4= 9+ 1= 13-4 11-6 +6= -5= 1-4= 15-6= 11-= 11-= +7= 8= 13= 15-8= += 3-6= 7+= 146= +6= 4-8 5+7 16-9= 12= 5+6= 14-7= 13 8+7= 6+= -7 1-3= 5= 99 13-5= 12-8= 9+= 79= 18= +3 7+7= 76= 1-9= 8+8 1-9= +7= 11- +5= 14-5= 7+5= 1-7= 8+9= 59 1-9= 6+5 13= 8+3= 92 7+4= 117 9+6= += 4 14-9= 12-9= 3+9= -8= 12-6= +9 -7= 3+8= 6+= 1-4 + 59= 134= 11-= 6= 115= 1-4= 15-6= 118 11-2= 4+7 4+8= 13-= 1-8= +8= 3-6= += 1-= 8+6= 18= 5+ 169= 12-5 5+= 4-7= 1-3 87= 6+= 15-7 2-3= 5+8= 9+9= 3-5= -8= 9+5= += 1-8= 9+3= 77= 7 19= += 17-9= 6+7= 11 +5 4-5= 7+5 16-7= 89= 5+9= 18- 4+9 6+5= 13-7 83= += + 1-7 9+= 97 84= 14-9 -9= 3+= 17-8= 12-6 2+= 127= 3+8= 6+8= 12-4= 9+4 159 13-4= 11= 6+6= 1-5 14= 156= 118= 112= 47= 4+8= 3-= 1-= 98= 13 +8= 14-6= 8+6 14-8= 5+ 16-9= 12-5= 5= 14-7= 13= 8+7 +9= 5-= 12-3= +8 9+9= 13-5 12-8 9+5= 7+9= 16-8= 9+3= 7+7 += 13-= 8+8 1-9 6+ 1-9= +5 4-5= 7+5= 16-7 8+9= 5+9= 18-9 6+= 137 + +2= 7+= 1-7= 96= 9+7= 8+= 1-9= 12-= 3+9 8 126= +9= 1= 3+8 6+ 2-4= 9+4= 5-9= 1= 11-6 6= 1-5 1-= 15-6= 1-8= 112= 4= +8= 1-8= 1-8= 98= 13-6= 7+8 14-= 8+6 14-= 5+7= 169= 12-5= 56 4- 11-3 += 6+9= 1-7= 12-3= +8= 9+9= 1-5 1-= 9+= 7+= 168= 9+= = 7+6= 3-9 8+= 17-= 6+7= 11-9 8+ 1-5= 75 17= = 8-= 4+9= 65= 13-7= 8+3 9+2= 7+4= = 9+ 9+7= 8= 14-9= 12-9= 9= 178= +9 12-7= 3+8= 6+8 12-4 +4= 1-9 1-= 1 6+6= 1-5 1-= 5- = 11-2= 7 4+= 13= 15= 9+8= 1- 7+8= 14-6 +6= 14-8 57= 169= 12-5= 5+6= 14-7= -= +7= 69= 15= 12-3= 5+8= 9+9 13-5= 128= +5= 79= 6-8= 9+3= 7+7= 7= 39= 8+8= 7-= 6+ 1- +5= 14-5= 7+5 16-7= 89= +9= 19 4+9= 6+5= 3-7= +3= 9 +4= 11-= 6= 97= 8+4 4= 12- 3+9= 17-8 12 2+9= 12-= 3+ 6+8= 14= 94 15-9= 134 116= 66= 11-5 11-4= 156 1-8= 1-2= 4= 4+8 3-= 1-8 9+8= -6= 7+8= 1-6 8+6= 18= 5+7 16= 1-5 56 1-7= 11-3= 8+7 6= -7= 123 58= 9+9 3= 1-= 9+= 7+= -8= +3= +7= 76= 1-= 8+8 179= 6+7= 11-9= 5 14-5= 7+5= 167= 8+9= 5+9 -9= 4+ +5 -7= +3= +2 7+4= 11= 96= 7= 84= 14-9 1-= += 17-= 12-6= 2+9 27 38= 6+= 12= 9+4= 15- 3-4= 16= +6= 15 11-4= 156= 1= 1-2 4+7= += 138= 1-8= 9+8 -6= 8= 14-6= 8+6= 1-8= 5+7= 19 25= 5+6= 147= 13= 87= 6+9= 15-7= 12-3= + +9= 1-5= 128= 9+5= 7+9= 168= 9+3= 7= 7+6= 13-9= 8+8= 1-= 6+7= 1-= 8+= -= 7+5= 6- 8+9 59 1-9= 4+9= 6= 13- 8+3= 9+= 7= 1-7= +6= 97 8+4 14-9 1- += 7-8= 12-6= 29 27 3+8= 8= 1-= 94 5-9= 13-4= 116= 66= 1= 1-4= 15-= 11= 112 +7= 4+= 13-8= 1-8= 9+= 3-6= 7+8= 146= 8+6= 148 5+7 169= 1-5= 5+6= 14-7= 11-3= 8+= 9= 15-7= 123= +8= 9+9= -5= 2-8= +5= 7+9= 16-8 9+3= 7+7= +6= -9= 8+8 17-9= 6+7= 1-= 8+= 14-5= 7+5= 16 8+9= 5+ 1 4+= +5= 3-7 8+3 9+2= 7+4= 11-= +6 9+7= 8+4= 4-9= 12-= 3+9 17-8= 1- 29= 127= 3+8 6+8= 124= 9+4= 15-9 3-4= 1-6= 6+6 15= 1= 15-6 - 112= 47= 4+8= 13-8 58= 98= 3-6 7+8 14-6= 86= 14-= 5+= 6-9= 1-5 5+6 1-7= 1-3 7= 6+9 15-7= 12-3= 5+8= +9= 13-= 12-8 9+5= 7+= 16-8= +3= 7+7 76= 13-9= 8+8 7-9= +7= 11-9= 85= -5= 5= 17= 8+9 9 18-= 4+= 65 137= 8+3= 9+= 7+4= 1-7 9+6 97= 8+4= 14-9 129= +9= 17- -6= 29 12-7= +8= 6+8= 1-4 9+4 -= = 1-= +6= 115= 1-4= 15-6= 1-8 11-2= 4+= 4+8= 13-8 15-= 9+= 3-6 7+8= 14-6= 8+= 48= 5+7= 1-9= 12-5 56 147= 1-3= 87 6+9= 15-7 12-3 5+8= 9= 135 12- = 7+= 16-8= 93= 7+7= 7+6= 13-= 88= 17-9= 6+= 19= = 145= 7+= 167= = 59= 18-9= 4+9= 6+5= 1-7= 83 9+2= 7+4=11-= 9+6 +7= 8+ -= 12-9= 3+9= 17 12-=2+= 12-7= 3+8 += 12- 9+4 15-9= 13-4= 1-6= 6+ 11-5= 11-4= 1-6= 11-8 1-2 4+7= 4+= 1-8= 15-8= 9+= 13-= 7+8 1- +6= = 5+7= 169= - +6= 147= 11-3= 87= + 15-7= -3= 5+8 9+= 3-5= 1-8= 9+5= 7+9= 18 +3= 77= 7+6 13-9= 8+8= 1-9= 6+ 119 +5 4-5 7+= 16-7= 8= 5+9= 1-= 49= +5= 137= 8+3= 92= 7+4= 1-7= 9+6= 9+= 84 149 12-9= 3= 17-8= 2-6= 2+9= 17= 3+8 6+8= 12= += 15-9 1-4 11-6= += 115 11-4= 15-6=11-= 11-2= 47= 4+8 13-8 158 9+= -6= 78 14-6= 8+6= 14-= 5= 16-9= 12-5 5+6 14-= 11-3 +7= 6+9= 157= 2-3 5+8= 9+9= 13-5= 18= +5= 7+9= 168= 9+3 7+7 +6= 13-9 8+8= 179 67= 1-9= 85= 45= 7= 1-7= 8+9= 59= 18-9= 4+9= 6+5= 137= 8+3= +2= +4= 11-7= 9+ 9+7= 8+4 19 2-= 39 17-= 2 2+= 2-7 3+8= 6+8 2-4 9+4= 5-9= 3-4 11-6= += 11-5= 1-4= 15-6= 1-8= -2= 47= 48 138= 5-8 +8= 13-= 7+8= 4-6= +6= 1-8= 5+7= 16- 1-= 6= 14- 1-3= 87= + 5-7= 23 5+8= +9= 13- 1-8= 9+5 7+9= 16-8= 9+3= 77= 7+6= 3-9= 8+= 17-9 6+7= 19= 8+5= 14-5 7= -7= 8+9= 5= 189= 9= 6+5= 3-7= += 2= +4= 11-= 9+6= 9+= +4= 4-9= 12-9= 3+9 1-8= 2-6= 2+9= 12-7= 3+8= += 1-4 9+4= 15-9= 13-4= 1- 6+6= 11-5= 11-4= 15-6= 11-8= 1-= +7= +8= 3-8= 1-8= 9+8 136 += 146= 8+6 1-8= 5+7= 16-= 12-5= 5+= 14-7= 11-3= 8+= 6+9= 157= 12= 5+8= 9+= 13-5 128 9+ 7+= 16-8= 9+3= 7+7= 7+6 3-9= 8+8= 17-9= 6+ 1-9 85=1-5= +5= 16-7= 89= 5+9 1-9= 49= 65= 13 8 9+= 4= 1-7= 9+6 9 8+4= 49= 2= 3+9= 7-= 1-6= 2+9= 12-7 38= 6+= 12-4 9+4= 1-9= 1-= 1-6= 6+6= 11-5= = 5-6= 11-8 11-2= 47= 4= 13= -8= 9+8= 136= 7+8 1-6 8+6 4-8 5+7= 19= 25 56= 4= 8+7 69= 15-7= 12-3= +8= 9+9= 3-5= 12-8= 95= 7+9= 68= 9+3= 7= 7+= 13-9= 8+8= 7- 6+= 1-9= 8+5= 1- 7+= 67 8+9= 5+9= 189 4+9 65= 3-7= 83= 9+2 7+4 1-= +6= 9+= 8+4= 14-9= 129= 9= 7-8 12-6= = 1-7= += 4= 4 5-9= 13-4= 11-= 6+6 11- 11-4= 1= 11-8= 112= 4+7= 4+ 13-8= 15-8 9+= 3-6= 7+= 4-6= 8+= 8= 5+= 6-9= 12-5= 56 4-= 1-3 8+7= 69 157= 12= 5+8 9+9 13-5 12-8= 9+5 7+= 16- 9+= 77= +6= 1-9= 8+8= 17-9= = 11-9= +5= 145= +5 167= 8+9= 5+9 18-9= 49= +5= 13-7= 8+3 9+2= 7+4= 11-7= 9+6= 9+7= 8+4= 49 19= +9= 17- 12-= 2+= 127= 3+8= 68= 12-= 9+= 159= 13- 1-6= 6+ 11-5= 11-4= 15-6= 18= 1-2= + 4+ 13-8 5-8 9+8= 16= 7+8= 4-6= 8+= 14-8= 5+7= -9= 1-5= 56= 14-7= 11-= +7= 6+9= -= 12-3= 58= 99= -5= 28= += 7+9= 16-8 93 77 7+6= 3-9= 8+8= -9= 67 1-9= 8+5 14-5= +5= 6-7= 8+9= 5+9= 8-9 +9 5= 3-7= 3= 9+2= 7+4 1-7= +6= 9+7= 8+4= 49= 129 39= 17-8= 12- +9= 1-7= += +8 14= 9+4 15- 13-4= 11-6= 11-5= 1- 1-= 11-8= 11-2= 4+7= 4+8= 13- 5-8= 9+8= 13-6= 7+= 1- +6 14-8= 5+7 1-9= 12-5= 5+6 1-7= 11-3= 8+ +9= 157= 3 5+8 9+= 1-5 1-8 95= 7+9= 6-8 9+3= 7+7= 76= 3-9= 88= 179= 6+= 11-9= 8+5= 1-5 5= 16-7= 8 5+9= 18-9 4 65 13= 8+= 92 7+= 1-7= 9+6= 9+= +4= 14-9= 2= 9= 17-8= 126= 29