速算养成计划Good times05一、假设分配/“415”份数法第一组,用时( ):B=2762 R=26.1% B=6202 R=7.7% B=667 R=16.6%B=95793 R=17.9% B=7392 R=19.4%B=4420 R=82.4%B=19715 R=15.8%B=8051 R=14.0%第二组,用时( ):B=9786 R=6.8%B=87392 R=7.0%B=47493 R=24.5%B=46485 R=9.6%B=53919 R=-5.5%B=4879 R=-9.2%B=8043 R=-15.3%二、除法拆分第一组,用时( ):134÷818116÷4278334÷3353328÷28132735÷3451824÷4467636÷2944第二组,用时( ):476÷897556÷6781909÷9456686÷3987660÷419854÷62978681÷9096三、加法、减法、乘法第一组,减法384-152624-421745-157767-484第二组,乘法818×45.6%697×8.6%953×36.6%558×67.1%740×14.3%427×17.6%655×15.3%836×7.4%第三组,加法4565+782+8244+83555319+5886+6283+3627第四组,分数比大小点击阅读原文输入ntgk领取电子版!看完有收获,记得点赞互动呦!
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