数学

15.02-6.8-1.02 5.4×11-5.4

2.3×16+2.3×23+2.3 9.43-（6.28-1.57） 3.65×4.7－36.5×0.37

46×57＋23×86 13.7×0.25－3.7÷4

2.22×9.9+6.66×6.7

101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199

4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24

2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98

0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5

3.07－0.38－1.62 1.29＋3.7＋2.71＋6.3 8

＋4.9－6.5 －2.45－1.55