8.03×100=
50.8÷10=
27+63÷9=
12×3÷12×3=
379-76-179=
78-23-17=
503+497=
25+25×4=
52+25-52+25=
0.6÷100=
1.36×1000=
28÷4×7=
429-53-47=
15×4÷15×4=
42-42÷42
25×9×4=