Question

4.82÷0.25+1点二五除上0.25最简便的方法计算

Answer 1

4.82÷0.25+1.25÷0.25
=4.82÷（1/4）+1.25÷（1/4）
=4.82×4+1.25×4
=5×4-0.18×4+5
=20+5-0.72
=25-0.72
=24.28