|
111 3231n 113 a2+b2=c2+d2 62+72=22+92=85 82+112=42+132=185 152+202=72+242=625 114
1234564 123567 123467 115 (1)dddddddddd 20232023=202320231÷9 (2)ddddddd 20233=202311÷7 (3)143×7=2023143×d×7=1 001×d=d 00d (4) 2023=2023+111+11+1+0 (2023×9)+1=20230 (111×9)+1=2023 (11×9)+1=100 (1×9)+1=10 (0×9)+1=1 (2023×9)+5=20231 66×67=2×3×11×67 =22×201 =2023 666×67=2×3×111×67 =222×2023 =202322 116 46 174 20238 6 174 5 117 9 7 5 4 3 2 4 942×753=202326 4 118 11944 95 120 (2)69×71×73=357 627 (3)262+272=2023 (4) 5×5×5=125 6×6×6=216 566 5.20233553=200 | 
