9.999… ≈
8.375375… ≈
2.8787… ≈
4.15353… ≈
≈ ≈
≈ 0.059494…≈
3.6÷0.15=÷15 56÷0.7=÷7
5.4÷95.4 0.72×0.250.72 2.05÷0.520.5÷5
2.8÷0.752.8 0.72÷2.50.72 0.6÷0.036÷0.3