แบบฝึกทักษะที่ 2
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This document appears to be a math worksheet for Thai students in secondary school on the topics of rational and irrational numbers. It contains two exercises - the first asks students to write decimal numbers as fractions in simplified form, and the second asks students to classify given numbers as integers, rational numbers, reals, etc. The worksheet provides blanks for students to show their work.
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แบบฝึกทักษะที่ 2
- 1. แบบฝึ กทักษะที่ 2 วิชา คณิตศาสตร์ เรื่อง จานวนตรรกยะและจานวนอตรรกยะ ชั้นมัธยมศึกษาปี ที่ 2 ชื่อ.....................................................................ชั้น..........................................เลขที่......................... 1. ให้นกเรี ยนเขียนทศนิยมซ้ ำต่อไปนี้ในรู ปเศษส่ วนให้ถูกต้อง ั & 1) 3.4 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... && 2) 0.639 ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ........................................................................................................................................................... ...........................................................................................................................................................
- 4. ........................................................................................................................................................... 2. ให้นกเรี ยนนำจำนวนต่อไปนี้ ลงในช่องว่ำงให้ถูกต้อง ั 0 - 16 0.515115111… 9 -2.50… 1 7 8. 0 3 2 0. 001 4 9 1 2 24 จำนวนจริ ง จำนวนตรรกยะ จำนวนเต็ม เศษส่ วน …………………… …………………… …………………… …………………… จำนวนเต็มลบ ……………………… ……………………… ……………………… ……………………… จำนวนอตรรกยะ ……………………………… ……………………………… ทศนิยมซ้ ำ ……………………………… ……………………… ……………………………… ……………………… …………………………….. ……………………… ……………………… ศูนย์ …………………… …………………… …………………… ………………….. จำนวนเต็มบวก …………………………… …………………………… …………………………… …………………………