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用简便方法计算.59+134+4136×2545×9×4.

题目详情
用简便方法计算.
59+134+41 36×25 45×9×4.
▼优质解答
答案和解析
(1)59+134+41,
=(59+41)+134,
=100+134,
=234;

(2)36×25,
=9×4×25,
=9×(4×25),
=9×100,
=900;

(3)45×9×4,
=45×4×9,
=180×9,
=1620.