7/17x5/8+5/17x1/8简便计算,教教我!

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/08 11:10:03
7/17x5/8+5/17x1/8简便计算,教教我!7/17x5/8+5/17x1/8简便计算,教教我!7/17x5/8+5/17x1/8简便计算,教教我!7/17x5/8+5/17x1/8=7/17

7/17x5/8+5/17x1/8简便计算,教教我!
7/17x5/8+5/17x1/8简便计算,教教我!

7/17x5/8+5/17x1/8简便计算,教教我!
7/17x5/8+5/17x1/8
=7/17x5/8+1/17x5/8
=(7/17+1/17)x5/8
=8/17x5/8
=5/17
你的采纳是我回答的动力!

7/17x5/8+5/17x1/8
=35/17x1/8+5/17x1/8
=1/8x(35/17+5/17)
=1/8x40/17
=5/17

7/17x5/8+5/17x1/8简便计算,教教我! 简便计算 1.5x5/8+7x5/8=?2.3/4x5/7-3/4x1/7=?3.7/8x3/17x5/7=?4.11/19x2/7x5/11没分给对不起啊、、 用matlab线性编程 min=8*x1+10*x2+7*x3+6*x4+11*x5+9*x612*x1+9*x2+25*x3+20*x4+17*x5+13*x6>=60;35*x1+42*x2+18*x3+31*x4+56*x5+49*x6>=150;37*x1+53*x2+28*x3+24*x4+29*x5+20*x6>=125;其中x>0,x 用简便方法计算下面各题.72x1.25 4.25x7.8+7.8x5.7用简便方法计算下面各题.72x1.25 4.25x7.8+7.8x5.75 求方程组x1+3x2+x3+2x4+4x5=3 2x1-x2+8x3+7x4+2x5=9 4x1+5x2+6x3+11x4+10x5=15的全部解线性代数 matlab线性方程组计算X1+X2-5X3-X4+X5=98X1+5X2-X3+4X5=23X1-7X2-5X3-X4+X5=42X1+X2+8X3+3X4-X5=-86X2+2X3+7X4-2X5=15 7/8x3/17x5/7和11/19x2/7x5/11请问这2题怎么用简便算法! 简便计算题1x1/2+1/2x1/3+1/3x1/4+1/4x1/5+1/5x1/6+1/6x1/7 16.75x5/8-3/4x5/8 简便计算 6/17x5/13-5/17x6/13 简便计算 5/17X5/12X17 2(简便计算) (15+17)x5分之2 等于多少?简便计算是15加七分之一的和乘15分之7 说错了 简便算:4.6X1又8分之3+8.4÷11分之8一1又8分之3X5 4/5x1/3+4/5、1/4x5-1/4,4/7+4/7x6,用简便方法计算 202x8.5的简便运算 24x1.3x5的简便运算 高数 求齐次线性方程组的全不解并用其基础解系表示 大括号 X1+X2+X5=0 X1+X2-X3=0 X3+X4+X5=0上面是第一个,下面还有第2个大括号2X1-4X2+5X3+3X4=03X1-6X2+4X3+2X4=04X1-8X2+17X3+11X4=0 简便计算(求求各位大神了)能简算的要简算3.2X5.6-11.45.74X99+5.748.9X1.1X4.74.75+3.25X2.4+7.62.7X5.4X3.93.8X1.4+3.8X18.63.6X9.85-5.466.58X4.5X0.92.8X0.5+1.586.73+6.37X97+2X6.378X3.8+3X3.8-3.834.5x0.03+34.5x0.97(203.4+72.2)X(1.3 1/5X1/6+1/6X1/7+1/7X1/8+1/8X1/9+1/9X1/10简便方法如何解