数学趣味知识园开幕H1.1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1 2.1X2X3/1+
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/30 13:54:33
数学趣味知识园开幕H
1.1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1 2.1X2X3/1+2X3X4/1+3X4X5/1+4X5X6/1+5X6X7/1
1.1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1 2.1X2X3/1+2X3X4/1+3X4X5/1+4X5X6/1+5X6X7/1
![数学趣味知识园开幕H1.1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1 2.1X2X3/1+](/uploads/image/z/1940620-4-0.jpg?t=%E6%95%B0%E5%AD%A6%E8%B6%A3%E5%91%B3%E7%9F%A5%E8%AF%86%E5%9B%AD%E5%BC%80%E5%B9%95H1.1X4%2F1%2B4X7%2F1%2B7X10%2F1%2B10X13%2F1%2B.%2B97X100%2F1+2.1X2X3%2F1%2B)
1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1=0.33
1X2X3/1+2X3X4/1+3X4X5/1+4X5X6/1+5X6X7/1=21/5
1X2X3/1+2X3X4/1+3X4X5/1+4X5X6/1+5X6X7/1=21/5
数学趣味知识园开幕H1.1X4/1+4X7/1+7X10/1+10X13/1+.+97X100/1 2.1X2X3/1+
1/1x4+1/4x7+1/7x10+1/10x13+1/13X16 简便
3/(1X4)+3/(4X7)+3/(7X10)+3/(10X13)+3/(13X16)
计算:1x4分之一+4x7分之一+7x10分之一+10x13分之一+13x16分之一
1/1x4+1/4x7+1/7x10+……+1/97x100
小学分数题:1/1x4+1/4x7+1/7x10+.+1/97x100
100x( 3/1x4 + 3/4x7 +3/7x10 +.3/97x100)=?注:1x4、4x7、7x10等均为分母
1/1X4+1/4X7+1/7X10+1/10X13+1/13X16(简算)
1/(1x4)+1/(4x7)+1/(7x10)+1/(10x13)简便运算 找规律 急
1X4分之1十4X7分之1十7X10分之1十10X13分之1简算
2x2/1x3+4x4/3x5+6x6/5x7+8x8/7x9+10x10/9x11+12x12/11x13 仔细看看
因式分解:X15+X14+X13+X12+X11+X10+X9+X8+X7+X6+X5+X4+X3+X2+X+1