求203减97的简便运算
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![求203减97的简便运算](/uploads/image/z/604719-63-9.jpg?t=%E6%B1%82203%E5%87%8F97%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
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求203减97的简便运算
求203减97的简便运算
求203减97的简便运算
203-97
=(200+3)-(100-3)
=200+3-100+3
=106
=203-(100-3)
=203-100+3
=103+3
=106
203-97
=(200+3)-(100-3)
=200+3-100+3
=100+6
=106