_吨比20吨多30%,350千克比_少30%.

问题描述:

______吨比20吨多30%,350千克比______少30%.

(1)20×(1+30%)
=20×1.3
=26(吨)
(2)350÷(1-30%)
=350÷70%
=500(千克)
故答案为:26,500.