用竖式计算． 308×5245×690305×30280×5527×143490×400

Question

用竖式计算． 308×5245×690305×30280×5527×143490×400．

Answer 1

308×52=16016


45×690=31050


305×30=9150


280×55=15400


27×143=3861

490×400=196000