2
The next line is 3 1 2 2 1 111 12 11 2 1 11 1 1 2 2 13 1 2 2 1 1
1/2 × -2 = (1×-2)/2 = -2/2 = -1
It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5
0.5
1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2+1/2*1/2*1/2*1/2= 1/2
2
2+2+2+2+2+2+2+1 or 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1
The next line is 3 1 2 2 1 111 12 11 2 1 11 1 1 2 2 13 1 2 2 1 1
2-1-2-1-2-1 1-2-1-2-1 -1-1-2-1 -2-2-1 -4-1 -5 Answer=-5
1/2 × -2 = (1×-2)/2 = -2/2 = -1
It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5It is 1/(-2) = -1/2 or -0.5
2
Assuming that there is at least one chair at each table, the answer is that there are 37 ways. 12 1 1 10, 1 2 9, 1 3 8, 1 4 7, 1 5 6, 2 2 8, 2 3 7, 2 4 6, 2 5 5, 3 3 6, 3 4 5, 4 4 4, 1 1 1 1 8, 1 1 1 2 7, 1 1 1 3 6, 1 1 1 4 5, 1 1 2 2 6, 1 1 2 3 5, 1 1 2 4 4, 1 1 3 3 4, 1 2 2 2 5, 1 2 2 3 4, 1 2 3 3 3, 2 2 2 2 4, 2 2 2 3 3, 1 1 1 1 1 1 6, 1 1 1 1 1 2 5, 1 1 1 1 1 3 4, 1 1 1 1 2 2 4, 1 1 1 1 2 3 3, 1 1 1 2 2 2 3, 1 1 2 2 2 2 2, 1 1 1 1 1 1 1 1 4, 1 1 1 1 1 1 1 2 3, 1 1 1 1 1 1 2 2 2, 1 1 1 1 1 1 1 1 1 1 1 2.
0.5
1 1/2:= [(2*1)+1]/2= [2+1]/2= 3/2 in improper fraction
Multiplication is the shortcut for showing a repeated addition: 1 x 36 = 1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1 +1+1+1+1+1 = 36 2 x 18 = 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 = 36 4 x 9 = 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 = 36 6 x 6 = 6 + 6 + 6 + 6 + 6 + 6 = 36