Page 47 - รายงาน PLC สาระคณิตศาสตร์ ปี 2562
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ตอบ .................................................................................................................................................................................
5. กองภพมีเงิน 6,957,000 บาท กุกไกมีเงินมากกวากองภพ 2,670,000 บาท กองภพและกุกไกตองการนําเงินที่มีไป
้
ซือบานราคา 12,000,000 บาท ทั้งสองคนจะตองหาเงินเพิ่มอีกเทาไรจึงจะสามารถซื้อบานหลังนี้ได
ประโยคสัญลักษณ ..........................................................................................................................................................
วิธีทํา
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ตอบ .................................................................................................................................................................................