1.68×0.15 0.86×0.75
5.88÷0.56 8.84÷1.7
2x÷0.8=3.4
2.4x+3.6x=15
2.8x+3.4=10.12
3(x-2.8)=16.8
78.9÷0.878.9 65.3×0.8965.3
64.76÷1.2364.76 0.99×0.50.99÷0.5