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计算:3000-36×42÷144.5×2.4-6÷1.2214×25÷(34+38)(227×258−229)÷256(1.6-23)÷(156×1.2−119)[5.4+(438−3.25)×135]÷125.
题目详情
计算: 3000-36×42÷14 | 4.5×2.4-6÷1.2 | 2
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(2
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计算: 3000-36×42÷14 | 4.5×2.4-6÷1.2 | 2
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(2
| (1.6-
| [5.4+(4
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▼优质解答
答案和解析
3000-36×42÷14=3000-36×(42÷14),=3000-36×3,=3000-108,=2892;4.5×2.4-6÷1.2=4.5×2×1.2-5,=10.8-5,=5.8;214×25÷(34+38)=94×25÷(68+38),=94×25×89,=45;(227×258−229)÷256=(167×21...
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