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Followthepattern\textbf{Follow the pattern}Follow the pattern
10\mathbf{10}10
10:100\mathbf{10 : 100}10:100
15\mathbf{15}15
15:100\mathbf{15 : 100}15:100
20\mathbf{20}20
???
20:100\mathbf{20 : 100}20:100
1
10:100\mathbf{10 : 100}10:100
2
Check
∣\duocursor∣
789()456×÷123+-0.%=