请展开查看知识点列表
3- = 0.3÷0.03= 0.82= 0.125+1 =
7.7× = 4÷9× = 1-14%= 6a×8a=
15+0.4= 18.6-4.3= 7.6-2.8= 11.6+4=
0.28+0.54= 6-2.8= 0.25×1000= 28.3÷100=
245-37-63 =245-(+) 125×46×8=(×)×46
进入组卷