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In 2009, Xueershi preschool education began to offer mathematics thinking courses, and in 2011, Mobi Mathematics offered thinking ability training courses to children aged 2-15. In 2017, New Oriental will offer children's mathematics thinking classes to students who are about to enter large classes in kindergartens. This year, New Oriental Bubble Children will also launch mathematics thinking enlightenment picture books for first-year students, which have been used in some school districts this summer. Zhihui School, an elite education school, began to train children's thinking ability for children aged 4-12 in 2014. One-on-one leader also recently launched the discipline thinking quality education brand "Leader Children" for children aged 4-12.Analysis: Similar to question 9, but pay attention to this time?But what if there is no teacher? Benjamin Franklin, a famous American scientist and politician, wanted to improve his writing, but there was no teacher around. However, he likes reading Observer magazine very much and likes the logical structure and rhetoric in it.Chang is good. "Zhang Xiaobo said.不过更确切地说，这是更进一步的猜忌。两人说笑着，抹了一把汗水，到一边的凉亭喝茶。A. Men's 11 field events: 1km time trial, individual race (3 laps), 4000-meter individual race, 4000-meter team race, scoring race, Olympic race, Madison race and Kelindsay; Road Events: Individual Race, Individual Time Trial Mountain Bike: Cross-Country