EXCELLENT STUDENTS USE SCIENTIFIC CALCULATORS TO SOLVE MAT�

EXCELLENT STUDENTS USE SCIENTIFIC CALCULATORS TO SOLVE MAT�

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Unformatted text preview: TR u N MINH TH U- CHUYÊN VIÊN TOÁN H ¡ C SINH GI ¢ I MÁY TÍNH C u M TAY USING SCIENTIFIC CALCULATORS TO SOLVE MATHEMATICAL PROBLEMS EXPERT - HO CHI MINH CITY Website : http://maths-minhthe.violet.vn THE EXAMINATION PAPER EXCELLENT STUDENTS USE SCIENTIFIC CALCULATORS TO SOLVE MATHEMATICAL PROBLEMS IN APRIL, 2010 Chief of Organization : The Minh Tran Mathematics Spet – VietnamCalculator Company 1 . To calculate the following value of expression : 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 + + + + + + + 2 . To find the following remainder of expression : 5 3 2010 75 19 4 30 5 7 9-- + + + x x x x x 3. For the following expression : 20 3 ) 2 2 ( ) ( + + = x x x f . To write processes to press the keys to calculate the expression ) ( α f with 3 3 2 5 1 2 5 1- + + = α . 4 . A student have made the deposit of VND 60,000,000 at the bank with interest rates is 0.65 % /month How much money has the student got in the account deposit after 5 years ? To write the grand formula and to apply to calculate. 5. Using the programming on the VietnamCalculator Vn - 500RS & Vn - 570RS scientific calculator to calculate : 10 9 8 7 6 5 4 3 2 1 2 3 4 5 6 7 8 9 + + + + + + + + + Good luck TR u N MINH TH U- CHUYÊN VIÊN TOÁN H ¡ C SINH GI ¢ I MÁY TÍNH C u M TAY USING SCIENTIFIC CALCULATORS TO SOLVE MATHEMATICAL PROBLEMS EXPERT - HO CHI MINH CITY Website : http://maths-minhthe.violet.vn THE SOLUTION OF THE EXAMINATION PAPER EXCELLENT STUDENTS USE SCIENTIFIC CALCULATORS TO SOLVE MATHEMATICAL PROBLEMS IN APRIL, 2010 Chairman of Organization : The Minh Tran Mathematics Spet – VietnamCalculator Company Problem 1: * Result: 1.654364493 * Detail of solution and Pressing key process : - Way 1 : As we know, if we put all of this expression into calculator, it’ll notify us a problem: “Stack ERROR”. So we should divide it into 2 parts and calculate each one....
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EXCELLENT STUDENTS USE SCIENTIFIC CALCULATORS TO SOLVE MAT�

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