0.58×10=
0.2×0.2=
7.0×10=
1.25+1.25×7=
0.36+0.4=
0.053×100=
8.1-6=
0.25×9×0.4=
12.7-7.63= 5.09+6.8= 28.06×5.6= 1.05×3.6=
x+1.2=5.7
13.7-x=5.29
5x-10=140
3.33×7.1+6.67×7.1
3.15-0.68+6.85-7.32
8.5+8.5×99