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计算:54×1021440×976÷4882003×2005-2002×20069999×2222+3333×33346363÷7÷96363×464÷232.
题目详情
计算:
54×102
1440×976÷488
2003×2005-2002×2006
9999×2222+3333×3334
6363÷7÷9
6363×464÷232.
54×102
1440×976÷488
2003×2005-2002×2006
9999×2222+3333×3334
6363÷7÷9
6363×464÷232.
▼优质解答
答案和解析
(1)54×102,
=54×(100+2),
=54×100+54×2,
=5400+108,
=5508;
(2)1440×976÷488,
=1440×(488×2)÷488,
=1440×2×(488÷488),
=1440×2×1,
=2880;
(3)2003×2005-2002×2006,
=2003×2005-2002×(2005+1),
=2003×2005-[2002×2005+2002×1],
=2003×2005-2002×2005-2002,
=2005×(2003-2002)-2002,
=2005-2002,
=3;
(4)9999×2222+3333×3334,
=3333×3×2222+3333×3334,
=3333×6666+3333×3334,
=3333×(6666+3334),
=3333×10000,
=33330000;
(5)6363÷7÷9,
=6363÷(7×9),
=6363÷63,
=101;
(6)6363×464÷232,
=6363×232×2÷232,
=6363×2×(232÷232),
=6363×2×1,
=12726.
=54×(100+2),
=54×100+54×2,
=5400+108,
=5508;
(2)1440×976÷488,
=1440×(488×2)÷488,
=1440×2×(488÷488),
=1440×2×1,
=2880;
(3)2003×2005-2002×2006,
=2003×2005-2002×(2005+1),
=2003×2005-[2002×2005+2002×1],
=2003×2005-2002×2005-2002,
=2005×(2003-2002)-2002,
=2005-2002,
=3;
(4)9999×2222+3333×3334,
=3333×3×2222+3333×3334,
=3333×6666+3333×3334,
=3333×(6666+3334),
=3333×10000,
=33330000;
(5)6363÷7÷9,
=6363÷(7×9),
=6363÷63,
=101;
(6)6363×464÷232,
=6363×232×2÷232,
=6363×2×(232÷232),
=6363×2×1,
=12726.
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