0.7×0.9=
6.5-0.05=
2.7+3=
35÷70=
3.6÷1.8=
9.6÷0.4=
3.1×0.3=
0÷2.15=
25.6÷0.25÷4 (3.2+0.56)÷0.8
20.16÷1.5÷2.4 (2.3÷0.46-4.5)÷0.25
2.6÷0.8= ★15.6÷1.7≈