5.2➗0.25+2.8✖️4用简便方法计算？

Question

如题所述

Answer 1

5.2➗0.25+2.8✖️4
=5.2x4÷（0.25x4）+2.8x4
=5.2x4+2.8x4
=（5.2+2.8）x4
=8x4
=32