1 ÷11 =0.090909…… 10÷11 =
2÷11 =0.181818…… 11 ÷11 =
3 ÷11 =0.272727…… 12 ÷11 =
4÷11 =0.363636…… 13 ÷11 =
使结果最大:
使结果最小:
8888=2
8888=3
1800-799= ×0= 354+147≈
10-10%= 3.6 +1.8= ×5.6= 723÷89≈
2÷= 12.3+7 = 0.23= 0.125×17×8=