237×198 求简便算法
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![237×198 求简便算法](/uploads/image/z/311465-65-5.jpg?t=237%C3%97198+%E6%B1%82%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
237×198 求简便算法
237×198 求简便算法
237×198 求简便算法
237×198
=237x(200-2)
=237x200-237x2
=47400-474
=46926
237×198 =237x(200-2)=47400-474=46926
237×198 =237x200-237x2=47400-474=47000-74=46926
237*198=(240-3)*(200-2)=48000-600-480+6=46926