您好:(3.2+0.128)÷0.8=3.2÷0.8+0.128÷0.8=4+0.16=4.16如果对你有帮助,请采纳!祝你学习更上一层楼,数学辅导团为你解决疑问!
原式=3.2×0.8+0.128÷0.8=4+0.16=4.16
=3.2/0.8+0.128/0.8=4+0.16=4.16