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简便运算566-87-11297×47+3×4724×1255600÷25÷4.
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答案和解析
(1)566-87-112,
=566-(87+112),
=566-199,
=566-200+1,
=366+1,
=367;
(2)97×47+3×47,
=(97+3)×47,
=100×47,
=4700;
(3)24×125,
=8×3×125,
=3×(8×125),
=3×1000,
=3000;
(4)5600÷25÷4,
=5600÷(25×4),
=5600÷100,
=56.
=566-(87+112),
=566-199,
=566-200+1,
=366+1,
=367;
(2)97×47+3×47,
=(97+3)×47,
=100×47,
=4700;
(3)24×125,
=8×3×125,
=3×(8×125),
=3×1000,
=3000;
(4)5600÷25÷4,
=5600÷(25×4),
=5600÷100,
=56.
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