14-7.4=6.6, 1.92÷0.04=48, 0.32×500= 160, 0.65+4.35= 5
10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06= 1.44
0.75÷ 15=0.05, 0.4×0.8=0.32, 4×0.25= 1, 0.36+ 1.54=2
1.0 1×99=99.99, 420÷35= 12, 25× 12=300, 135÷0.5=270