M is 1000 times mm (meter and millimeter)
2000
It is blank times 52.
7 times blank = 2 times blank
Blank = zero.
10
It is: 9 times 7 = 63
45 times 5/9 = 25
3 times blank equals 18,000 = 54000
8 times blank equal 32 = 256
blank = 9
22.1133444 approx
It could be: 9*5 = 45
One thousand times.One thousand times.One thousand times.One thousand times.