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1、 20以内填括号口算专项练习600题1 ( )+7=19 2 3+( ) =11 3 ( ) +2=18 4 ( )+4=12 5 5+( ) =15 6 ( )-7=7 7 ( )+4=13 8 ( )+5=18 9 ( )+9=13 10 19- ( ) =5 11 ( )+7=19 12 11-( ) =1 13 10-( ) =4 14 ( )-6=8 15 ( )-5=13 16 ( )+19=20 17 ( )+12=15 18 ( )-6=11 19 7+( ) =12 20 6+( ) =18 21 19-( ) =16 22 8+( ) =19 23 18+( ) =20 2
2、4 ( ) +13=14 25 ( ) +17=20 26 14-( ) =5 27 ( ) +7=13 28 17-( ) =9 29 10+( ) =16 30 11+( ) =14 31 ( ) -0=13 32 17+( ) =20 33 10-( ) =5 34 7+( ) =16 35 17-( ) =14 36 15+( ) =19 37 13- ( ) =0 38 ( ) -11=7 39 17-( ) =6 40 15+( ) =17 41 ( )-11=9 42 ( )+16=17 43 ( )-9=5 44 ( ) -10=9 45 15-( ) =6 46 7+( )
3、=12 47 ( ) +8=11 48 4+( ) =19 49 19-( ) =12 50 ( ) -16=0 51 19-( )=7 52 ( )+11=19 53 6+( )=19 54 ( )+3=14 55 20-( )=7 56 ( )+8=13 57 14+( )=17 58 15-( )=8 59 ( )-1=11 60 17-( )=12 61 17-( )=11 62 ( )-5=15 63 12+( )=16 64 ( )+5=16 65 12+( )=17 66 ( )+8=13 67 ( )-7=13 68 11+( )=16 69 0+( )=18 70 19-(
4、)=5 71 17-( )=16 72 ( )+12=15 73 9+( )=13 74 ( )+9=14 75 17-( )=14 76 20-( )=9 77 ( )+8=16 78 ( )+7=16 79 ( )-7=3 80 5+( )=12 81 15-( )=9 82 14-( )=11 83 ( )+12=18 84 ( )+11=19 85 ( )-9=6 86 ( )+8=12 87 ( )+3=14 88 ( )+10=18 89 ( )-8=5 90 ( )-7=12 91 19+( )=19 92 ( )+7=15 93 ( )+3=13 94 14-( )=8 95
5、17-( )=11 96 ( )+13=17 97 18-( )=11 98 15-( )=6 99 ( )+12=18 100 ( )-12=7101 ( )+13=16 102 12+( )=19 103 ( ) +8=15 104 ( ) +2=17 105 17-( )=1 106 ( )-13=4 107 ( )+7=19 108 ( ) +3=17 109 ( )+10=16 110 14-( )=11 111 ( )+13=17 112 19-( )=10 113 12+( )=17 114 ( )+9=16 115 ( )+8=15 116 ( )+7=11 117 ( )+5
6、=16 118 ( )-6=12 119 13+( )=19 120 6+( )=15 121 17-( )=14 122 8+( )=14 123 3+( )=16 124 ( )+11=18 125 ( )-8=7 126 15-( )=2 127 ( )+4=14 128 19-( )=15 129 17+( )=18 130 20-( )=19 131 ( )-8=11 132 12+( )=13 133 12-( )=3 134 17+( )=20 135 12+( )=15 136 15-( )=13 137 20-( )=8 138 ( )-10=10 139 17+( )=20
7、 140 6+( )=16 141 ( )-19=0 142 ( )+14=17 143 ( ) +12=18 144 ( ) +3=16 145 12-( )=12 146 10+( )=16 147 ( )-16=3 148 14-( )=3 149 5+( )=17 150 ( ) -7=8 151 16-( )=3 152 ( )-5=14 153 12+( )=18 154 ( ) -5=12 155 16-( )=5 156 ( )+7=16 157 12+( )=12 158 13-( )=4 159 20-( )=14 160 20-( )=9 161 19-( )=9 162
8、 ( )-5=13 163 17-( )=10 164 ( )+9=17 165 17-( )=5 166 ( )-13=3 167 ( )-6=14 168 15-( )=4 169 20-( )=8 170 13+( )=20 171 14-( )=14 172 ( )-11=0 173 16-( )=7 174 ( )+7=16 175 20-( )=2 176 5+( )=16 177 ( ) +4=11 178 ( ) +14=18 179 ( )+11=19 180 19-( )=4 181 6-( )=0 182 12+( )=20 183 ( )-18=0 184 ( )-3=
9、11 185 ( )+3=12 186 ( )-6=14 187 ( )-3=15 188 ( )+8=17 189 ( )+12=17 190 ( )-15=2 191 15-( )=11 192 ( )+12=14 193 ( )-15=4 194 20-( )=6 195 16-( )=7 196 ( )-10=2 197 12+( )=17 198 19-( )=18 199 ( )+11=20 200 ( )-19=1201 17-( )=13 202 ( )+16=20 203 ( ) +8=19 204 13+( )=18205 ( ) +15=20 206 20-( )=7 2
10、07 10+( )=19 208 ( )+16=20 209 ( )+13=18 210 ( ) -12=8 211 4+( )=17 212 ( )+13=17 213 ( ) -4=14 214 17-( )=8 215 13-( )=7 216 19-( )=17 217 13+( )=17 218 17-( )=9 219 ( )+16=17 220 ( )+10=14 221 ( )+7=17 222 ( )+9=15 223 ( )+6=12 224 7+( )=12 225 3+( )=8 226 ( )+5=16 227 17-( )=7 228 ( )-7=6 229 ( )+13=19 230 12+( )=17 231 20-( )=5 232 ( )+5=18 233 ( )-11=6 234 ( )+10=17 235 ( )-14=5 236 ( )+6=19 237 (
