1、 二年级数学口算比赛 721 8322 = 37( )6 3224 1115 ( )1244 9037 4025 27( )45758 35+13 ( )647 9 + 31 = 525 = 5( )254716 = 37 + 28 = ( )( ) 186157 = 51 + 47 = ( )( ) 242619 = 33 + 56 = ( )( ) 40378 = 79 + 13 = ( )( ) 124132 = 26 + 48 = 26+1819=9475 = 39 + 26= 1006021=2 3 = 4 2 = 53+18+24=8 4 = 8 2 = 6918+26=6 3 =
2、 3 3 = 87+1343=2 9 = 8 5 = 68( )29 7 3 = 4 6 = 37+( )76 9 5 = 8 3= ( )2633 3 5 = 4 9 = 7( )357 2 = 7 4 = 4( )361 8 = 4 3 = 9( )274 5 = 5 6 = 3( )21二年级数学口算比赛721 8322 = 37( )6 3224 1115 ( )1244 9037 4025 27( )45758 35+13 ( )647 9 + 31 = 525 = 5( )254716 = 37 + 28 = ( )( ) 186157 = 51 + 47 = ( )( ) 242
3、619 = 33 + 56 = ( )( ) 40378 = 79 + 13 = ( )( ) 124132 = 26 + 48 = 26+1819=9475 = 39 + 26= 1006021=2 3 = 4 2 = 53+18+24=8 4 = 8 2 = 6918+26=6 3 = 3 3 = 87+1343=2 9 = 8 5 = 68( )29 7 3 = 4 6 = 37+( )76 9 5 = 8 3= ( )2633 3 5 = 4 9 = 7( )357 2 = 7 4 = 4( )361 8 = 4 3 = 9( )274 5 = 5 6 = 3( )214132 = 2
4、6 + 48 = 26+1819=9475 = 39 + 26= 1006021=2 3 = 4 2 = 53+18+24=8 4 = 8 2 = 6918+26=6 3 = 3 3 = 87+1343=2 9 = 8 5 = 68( )29 7 3 = 4 6 = 37+( )76 9 5 = 8 3= ( )2633 3 5 = 4 9 = 7( )357 2 = 7 4 = 4( )361 8 = 4 3 = 9( )274 5 = 5 6 = 3( )21二年级数学口算比赛721 8322 = 37( )6 3224 1115 ( )1244 9037 4025 27( )45758
5、35+13 ( )647 9 + 31 = 525 = 5( )254716 = 37 + 28 = ( )( ) 186157 = 51 + 47 = ( )( ) 242619 = 33 + 56 = ( )( ) 40378 = 79 + 13 = ( )( ) 124132 = 26 + 48 = 26+1819=9475 = 39 + 26= 1006021=2 3 = 4 2 = 53+18+24=8 4 = 8 2 = 6918+26=6 3 = 3 3 = 87+1343=2 9 = 8 5 = 68( )29 7 3 = 4 6 = 37+( )76 9 5 = 8 3= ( )2633 3 5 = 4 9 = 7( )357 2 = 7 4 = 4( )361 8 = 4 3 = 9( )274 5 = 5 6 = 3( )21二年级数学口算比赛721 8322 = 37( )6 3224 1115 ( )1244 9037 4025 27( )45758 35+13 ( )647 9 + 31 = 525 = 5( )254716 = 37 + 28 = ( )( ) 186157 = 51 + 47 = ( )( ) 242619 = 33 + 56 = ( )( ) 40378 = 79 + 13 = ( )( ) 12