16.4×0.25×4=16.4×(0.25×4)=16.4×1=16.4
见图
16.4×0.25×4=16.4×(0.25×4)=16.4×1=16.4谢谢,请采纳
先算0.25×4再×16.4,0.25×4=10.25×4×16.4=16.4
16.4×0.25×4=16.4×(0.25×4)=16.4×1=16.4