Question 23
Fill all six blanks. Given 1×1=1, 11×11=121 and 111×111=12321, calculate: (a) 1111×1111; (b) 11111×11111; (c) 111111×111111; (d) 1111111×1111111; (e) 11111111×11111111; (f) 111111111×111111111. Enter the six results in order, separated by semicolons.