20以内加减法练习题[1].doc

口算练习题（一）8 + 8 124 8 + 9 9 + 2 5 + 6 7 + 6 157 3 + 9 49 137 47 47 115 4 + 9 137 9 + 5 7 + 4 7 + 6 128 134 113 85 74 83 145 9 + 5 134 8 + 5 7 + 6 6 + 6 5 + 6 146 97 77 139 67 8 + 7= 9 + 7= 8 + 5 = 9 + 9 =5 + 9 = 4 + 8 = 126 = 7 + 5 =135 = 5 + 7 = 9 + 6 = 7 + 8 =4 + 9 = 128 = 114 = 6 + 7 =7 + 5 = 146 = 2 + 9 = 8 + 3 =115 4 + 9 137 9 + 5 7 + 4 7 + 6 128 134 113 85 74 83 145 9 + 5 134 8 + 5 86 95 114 = 75 = 8 + 7 117 7 +8 159 5+ 6 126 138 9 + 9 86 147 78 49 158 96 47 148 8 +6 127 169 9 +7 159 9 + 7 9 + 8 147 58 66 118 58 115 9 + 5 1136 6+ 5 7 + 4 128 6 + 8 169 168 98 148 47 4 + 8 126 8 + 7 9 + 6 5 + 7 8+ 6 127 5+ 9 47 139 49 48 125 4 + 7 134 9 + 6 9 + 4 7 + 9 124 137 87 94 113 = 85 = 8 + 5 115 7 + 5 157 7 + 6 127 136 9 + 6 87 127 68 47 157 97 49 147 8 + 3 125 168 9 +3 156 9 + 9 9 + 6 145 57 67 117 57 112 9 + 4 146 9 + 5 7 + 8 125 7 + 8 167 169 58 149 49 118 86 77 93 148 9 + 4 137 7+ 5 7 + 9 8 + 6 7 + 6 148 98 97 135 68 8 + 4= 9 + 8= 8 +6 = 9 +7 =5 + 7 = 4 + 9 = 146 = 7 +8 =136 = 5 + 9 = 7+ 6 = 7 + 9=4 +8 = 126 = 117 = 6 + 8 =9 + 5 = 147 = 5 + 9 = 8 + 7 =8 + 8 124 8 + 9 9 + 2 5 + 6 7 + 6 157 3 + 9 49 137 47 47 115 4 + 9 137 9 + 5 7 + 4 7 + 6 128 134 113 85 74 83 145 9 + 5 134 8 + 5 145 9 + 5 134 8 + 5 7 + 6 6 + 6 5 + 6 146 97 77 139 67 17-10= 16-1= 16-2= 16-3= 16-4= 1+11= 1+12= 1+13= 1+14= 1+15=20-10= 19-1= 19-2= 19-3= 19-4=18-5= 18-6= 18-7= 18-8= 18-9=17-5= 17-6= 17-7= 17-8= 17-9=6-2= 6-3= 6-4= 6-5= 6-6=16-10= 15-1= 15-2= 15-3= 15-4= 2+7= 2+8= 2+9= 2+10= 2+11=15-10= 14-1= 14-2= 14-3= 14-4=1+16= 1+17= 1+18= 1+19= 2+0=19-5= 19-6= 19-7= 19-8= 19-9=2+12= 2+13= 2+14= 2+15= 2+16= 15-5= 15-6= 15-7= 15-8= 15-9=18-10= 17-1= 17-2= 17-3= 17-4=2+17= 2+18= 3+3= 3+4= 3+5= 19-10= 18-1= 18-2= 18-3= 18-4=3+16= 3+17= 4+4= 4+5= 4+6= 13-5= 13-6= 13-7= 13-8