Tìm <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-1"><span class="MJXp-mstyle" id="MJXp-Span-2"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-3">x</span></span></span></span><script type="math/tex" id="MathJax-Element-1">\Large x</script>, biết: a) <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-4"><span class="MJXp-mstyle" id="MJXp-Span-5"><span class="MJXp-mi MJXp-italic" id="MJXp-Span-6">x</span><span class="MJXp-mo" id="MJXp-Span-7" style="margin-left: 0.111em; margin-right: 0.167em;">:</span><span class="MJXp-mn" id="MJXp-Span-8">5</span><span class="MJXp-mo" id="MJXp-Span-9" style="margin-left: 0em; margin-right: 0.222em;">,</span><span class="MJXp-mn" id="MJXp-Span-10">7</span><span class="MJXp-mo" id="MJXp-Span-11" style="margin-left: 0.333em; margin-right: 0.333em;">=</span><span class="MJXp-mn" id="MJXp-Span-12">18</span><span class="MJXp-mo" id="MJXp-Span-13" style="margin-left: 0em; margin-right: 0.222em;">,</span><span class="MJXp-mn" id="MJXp-Span-14">02</span></span></span></span><script type="math/tex" id="MathJax-Element-2">\Large x : 5,7 = 18,02</script> b) \(\Large 9,5

Tìm x, biết: a) x:5,7=18,02 b) \(\Large 9,5

4.2/5

Tác giả: Thầy Tùng

Đăng ngày: 18 Aug 2022

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Câu hỏi:

Tìm x, biết:

a) x:5,7=18,02                             

b) 9,5×x=23,085

Đáp án án đúng là: A

Lời giải chi tiết:

a) x:5,7=18,02           

     x=18,02×5,7           

     x=102,714       

b) 9,5×x=23,085

 x=23,085:9,5

 x=2,43