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98x63怎样简便就怎样算

98x63的简便方法98x63=100*63-2*63=6300-126=6174

98*63=100*63-2*63

98*63+63+63=98*63+63*2=(98+2)*63=100*63=630

98*65+130 =(98+2)*65 =100*65 =6500 你好,本题已解答,如果满意 请点右上角“采纳答案”.

你好!99*63=(100-1)*63=100*63-1*63=6300-63=6237如有疑问,请追问.

99X63=(100-1)*63=100*63-1*63=6300-63=6237

=(100-1)*63=100*63-1*63=6300-63=6237

没法简便,就1步62*1/63=62/6362 63连续自然数,无法约分 求采纳

63*73-63*63 =63x(73-63) =63x10 =630 125x25x64 =125x25x8x4x2 =(125x8)x(25x4)x2 =1000x100x2 =200000 72x26+36x48 =36x2x26+36x48 =36x(52+48) =36x100 =3600

简便计算98x3十6498x3十64=98*3+3*2+64-6=3*100+58=358

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