试卷更新日期:2021-03-19 类型:同步测试
19 + 59 = 45 - 23 = 12 - 15 = 1924 - 1324 =
512 - 14 = 719 + 1219 = 15 - 19 = 615 - 115 =
查看试题解析
1( ) + 110 = 310 ( )( ) + 13 = 12 ( )( ) + ( )( ) = 78
35 14 = 720 710 15 = 910 15 16 = 130
你发现了什么规律?
用你发现的规律计算: 12 + 16 + 112 + 120 =