759-28乘18+198/22的简便运算
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759-28乘18+198/22的简便运算
(1)(759-28)x18+(198/22)
=731x18+(22x9/22)
=731x18+9
=731x9x2+9
=9x(731x2+1)
=9x(1462+1)
=9x1463
=13167
(2)759-(28x18)+(198/22)
=3x253-28x6x3+3x3x(22/22)
=3x(253-168+3)
=3x(85+3)
=3x88
=264
(1)(759-28)x18+(198/22)
=731x18+(22x9/22)
=731x18+9
=731x9x2+9
=9x(731x2+1)
=9x(1462+1)
=9x1463
=13167
(2)759-(28x18)+(198/22)
=3x253-28x6x3+3x3x(22/22)
=3x(253-168+3)
=3x(85+3)
=3x88
=264
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