请展开查看知识点列表
4.9+5.1= 3.7-2.8= 1.84+0.6= 6.6−5.62=
10-3.25= 4.04+6= 0.3+9.47= 5.89−0.98=
3.2+8−3.2= 19-2.26−6.74= 8.7+5.3−8.7+5.3=
7.4+2.6= 6.6+2.9= 7.4−4.4= 5.08+3.68=
1.5−0.8= 8.6−6.8= 5.3+3.7= 0.66−0.06=
进入组卷