2.1+4x=8.5 3x+2x=2.5
0.6×0.8=
0.27÷0.003=
8.64÷8=
0.7-0.7×0.7=
1.25×8=
0.36÷9=
0.25×40=
2.3×0.4÷2.3×0.4=
78.48÷3.6=
78.48÷36=
7.848÷0.36=