0.34+0.45= 0.57+0.9= 3.8+1.2= 10-2.5-2.5=
2.4×0.01= 7.8÷100= 1.08×4= 1÷4=
10÷0.5= 0÷0.38= 0.91÷9.1= 0.25×2=
A.5.24÷0.85 B.8.75÷4.2 C.5÷1.1
D.3÷1.1 E.16.45÷2.8
(结果保留两位小数)
(商用循环小数表示)
500×46460×50 180×590×50
30×4041×29 100+5×30105×30
3.5×0.2= 10÷0.5= 680+35= 800-27=
1.25×0.8= 3.9×0.01= 1.2×0.4= 0.63÷0.9=