8.54÷2.5÷0.4.=8.54
14×0.68＋31.4×0.03=10.462
2.9×1.01 ＝2.9×1+2.9×0.01=2.929
15.1×10.0.65×101=65.65
5.6÷1.25÷0.8÷2.5÷0.4=5.6
7.74×＋1.5×2.26=3.39
12.7×9.9＋1.27=127
5.4×11-5.4=54
3.65×4.7－36.5×0.37=3.65
2.22×9.9+6.66×6.7=66.6
0.79×199=157.21
4.8+8.63+5.2+0.2=18.83
2.35+1.713+0.287+7.6=11.95
0.134+2.66+0.86=3.654
