Group (C) - Spelling Practices

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(1) a. (trăm năm) relating to a 100-year period; occurring once every 100 years
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(2) v. Syn. cheat(đục) practice trickery or fraud; cheat
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(3) n. (ngao) soft edible body of such as mollusk
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(5) v. Syn. reckon; calculate(tính) reckon; make mathematical calculation
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(7) n. (lẫn lộn) mistake that results from taking one thing to be another; lack of clarity or order
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(8) n. (tương phản) act of distinguishing by comparing differences
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(9) a. Syn. controvertible; disputable(cãi) controvertible; disputable
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(10) n. Syn. conference; norm; custom(ước) social or moral custom; formal meeting of members, representatives, or delegates; agreement between states