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14x35用简便方法计算

14x35 =7X2X35 =7X70 =490

14x35 =14x5x7 =70x7 =490

35×35=1225。 分析过程如下: 运用(a+b)²=a²+

你好,是24500.

(一3.14)x35.2十6.28x(一23.3)一1.57x36.4 =(一3.14)x35.2

=45×(135-35) =45×100 =4500 如有疑问,请追问;如已解决,请采纳

35x136-36x35 =35x(136-36) =35x100 =3500

104x35用最简便的方法计算 104x35 =35*(100+4) =35*100+35*4

用简便方法计算66x35+13x35+79x65 66x35+13x35+79x65 =35×(

46×35+54×35 =35×(46+54) =35×100 =3500

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