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计算.①125×64×25②57×99+62③384÷16×32④4673-867+567⑤462+3018+238+182.
题目详情
计算.
①125×64×25 ②57×99+62 ③384÷16×32 ④4673-867+567 ⑤462+3018+238+182.
①125×64×25 ②57×99+62 ③384÷16×32 ④4673-867+567 ⑤462+3018+238+182.
▼优质解答
答案和解析
①125×64×25,
=(125×8)×(8×25),
=1000×200,
=200000;
②57×99+62,
=57×100-57+62,
=5700-57+62,
=5705;
③384÷16×32,
=384×(32÷16),
=384×2,
=768;
④4673-867+567,
=4673-(867-567)
=4673-300,
=4373;
⑤462+3018+238+182,
=(462+238)+(3018+182),
=700+3200,
=3900.
=(125×8)×(8×25),
=1000×200,
=200000;
②57×99+62,
=57×100-57+62,
=5700-57+62,
=5705;
③384÷16×32,
=384×(32÷16),
=384×2,
=768;
④4673-867+567,
=4673-(867-567)
=4673-300,
=4373;
⑤462+3018+238+182,
=(462+238)+(3018+182),
=700+3200,
=3900.
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