丽丽:
东东:
明明:
6.16<.05 0.704<0.72 4.5>4.83
1.5÷0.05= 8÷0.001= 2.2+8= 31.9-3.09= 3×4÷3×4=
× = 5- + = × = 0.12= 1÷ - ÷1=