文档介绍：华罗庚的小故事(Hua Luogeng* s little story)
Hua Luogeng5 s hard work story when he was young
Hua Luogeng was born in a poor fo his mother: "Mom, you don't give back '' Buddha kowtow 'Buddha' is a lie, 1 father immediately scolded:" Oh, sin, what children understand? ”But he seriously retorted, " I went to the temple of Qinglong mountain. "Bodhisattva" turned out to be false, and it was 1 of a man's disguise
Hua Luogeng's mathematics homework, often have traces of alterations, very untidy, the teacher began to very dissatisfied. Later, aftercareful identification, the teacher found that Hua Luogeng was constantly improving and simplifying his problem-solving methods.
Hua Luogeng in high school, think about the method of the traditional abacus methods. He considered: addition and subtraction to simplify the abacus, but also can simplify multiplication. The traditional play is "multiplication head” or "tail”, which will play on the abacus and the multiplicand multiplication, go by: take the multiplicand for every digit multiplier, the multiplier will remove the digits: the multiplier used up, up to the final answer. Hua Luogeng: why don't you think the answer will take each successive to the abacus up? In this way, the time needed for the multiplier is omitted. For example, 28 * 6, first put 2 * 6=12 on the abacus, then return one, plus 8 * 6=48, 168 immediately, and only two steps c