Một phần bảy. Một phần tám. Một phần chín
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</div><p></p> <p style="text-align: center;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h2-1664529771.jpg.webp" width="559" height="295" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-1" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-1" loading="lazy"></p> <p style="text-align: center;">Ta có: <img src="/uploads/tinymce/screenshot-2022-09-30-162051-1664529818.jpg.webp" width="18" height="32" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-2" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-2" loading="lazy"></p> <p style="text-align: center;">Đọc là:&nbsp;<strong>Một phần bảy</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h3-1664529859.jpg.webp" width="637" height="294" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-3" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-3" loading="lazy"></p> <p style="text-align: center;">Ta có: <img src="/uploads/tinymce/b28-h5-1664529881.jpg.webp" width="19" height="30" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-4" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-4" loading="lazy"></p> <p style="text-align: center;">Đọc là:&nbsp;<strong>Một phần tám</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h4-1664529941.jpg.webp" width="712" height="297" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-5" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p style="text-align: center;">Ta có: <img src="/uploads/tinymce/screenshot-2022-09-30-162146-1664529953.jpg.webp" width="18" height="34" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-6" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-6" loading="lazy"></p> <p style="text-align: center;">Đọc là:&nbsp;<strong>Một phần chín</strong></p> <h3 id="1-chon-the-tuong-ung-voi-phan-datilde-tocirc-magraveu-trong-moi-bang-giay-sau">1. Chọn thẻ tương ứng với phần đã tô màu trong mỗi băng giấy sau:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h6-1664530109.jpg.webp" width="608" height="237" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-7" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-7" loading="lazy"></p> <h3 id="2nbsp">2.&nbsp;</h3> <p>Đã tô màu&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-09-30-162146-1664529953.jpg.webp" width="18" height="34" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-8" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-8" loading="lazy"> hình nào?</p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h7-1664530199.jpg.webp" width="319" height="397" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-9" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-9" loading="lazy"></p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h8-1664530212.jpg.webp" width="313" height="394" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-10" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h3 id="3-higravenh-nagraveo-datilde-khoanh">3. Hình nào đã khoanh:</h3> <p>a)&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-09-30-162051-1664529818.jpg.webp" width="18" height="32" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-11" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-11" loading="lazy"> số cây nấm?</p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h9-1664530448.jpg.webp" width="411" height="222" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-12" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-12" loading="lazy"></p> <p style="text-align: center;"><img src="/uploads/tinymce/b28-h10-1664530459.jpg.webp" width="655" height="229" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-13" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-13" loading="lazy"></p> <p>b)&nbsp;<img style="text-align: center;" src="/uploads/tinymce/b28-h5-1664529881.jpg.webp" width="19" height="30" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-14" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-14" loading="lazy"> số quả cà chua?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h11-1664530511.jpg.webp" width="390" height="247" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-15" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-15" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h12-1664530527.jpg.webp" width="531" height="254" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-16" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-16" loading="lazy"></p> <p>c)&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-09-30-162146-1664529953.jpg.webp" width="18" height="34" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-17" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-17" loading="lazy"> số hạt dẻ?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h13-1664530558.jpg.webp" width="412" height="200" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-18" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-18" loading="lazy"></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h14-1664530568.jpg.webp" width="582" height="225" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-19" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-19" loading="lazy"></p> <h3 id="4-thuc-hien-caacutec-hoat-dong-sau">4. Thực hiện các hoạt động sau:</h3> <p>a) Lấy ra 14 hình tròn, chia thành 7 phần bằng nhau.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b28-h15-1664530628.jpg.webp" width="547" height="286" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-20" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-20" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b) Chỉ ra&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-09-30-162051-1664529818.jpg.webp" width="18" height="32" alt="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-21" title="hinh-anh-mot-phan-bay-mot-phan-tam-mot-phan-chin-1013-21" loading="lazy"> số hình tròn ở câu a.</p>