As the foundation theoretically possible arithmetic and geometry, know the addition, subtraction, multiplication and division, division, but you don't know วิธีคูณ. The ancient Egyptian geometry very prosperous, which can calculate the area of a triangle. Trapezoidal and circle.The ability in mathematics, greatly helped in architecture. Know the volume calculation of pyramids. Discover the decimal system number discovered that distortion (Pie) equals 3.14.
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