问题 解答题
竖式计算:(带△要要验算)
152×23=______;
28×304=______;△360×70=______;576÷18=______;
189÷21=______;△960÷32=______;55×42=______;740×80=______;
805×24=______;950×12=______.
答案

152×23=3496;

28×304=8512;

△360×70=25200;

验算:

576÷18=32;

189÷21=9;

△960÷32=30;

验算:

55×42=2310;

740×80=59200;

805×24=19320;

950×12=11400;

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