5.9x5÷0.59怎么简算

3.5X5分之2X5分之2怎么算?3.5X5分之2X5分之2怎么算?3.5X5分之2X5分之2怎么算?将3.5化成2分之7再进行计算7/2x2/5x2/5=14/25答案为25分之14,/表示分号快采

3x5/3-5/3x3/1怎么简算3x5/3-5/3x3/1怎么简算3x5/3-5/3x3/1怎么简算3x5/3-5/3x3/1=5/3x(3-3/1)=5/3x3/8=5/8如果本题有什么不明白可以

(X-2)x5=35怎么算?(X-2)x5=35怎么算?(X-2)x5=35怎么算?(X-2)x5=35X-2=7X=2+7X=9

（10+a)x5.3/2-（10-a)x5.3/2=15.9怎么算（10+a)x5.3/2-（10-a)x5.3/2=15.9怎么算（10+a)x5.3/2-（10-a)x5.3/2=15.9怎么算（

98-18x5+25简算方法98-18x5+25简算方法98-18x5+25简算方法98-18x5+25=98-90+25=8+25=33

(x+1.2+x)x5=1320怎么算(x+1.2+x)x5=1320怎么算(x+1.2+x)x5=1320怎么算(x+1.2+x)x5=1320x+1.2+x=1320/52x+1.2=2642x=

(0.2x+5)x5=28.6怎么算?(0.2x+5)x5=28.6怎么算?(0.2x+5)x5=28.6怎么算?(0.2x+5)x5=28.6x＋25=28.6x=3.6(0.2x+5)x5=28.

x+x5%=105像这类题目要怎么算x+x5%=105像这类题目要怎么算x+x5%=105像这类题目要怎么算先提取公因式X即x+x5%=105x(1+5%)=105x105%=105x=100x(1+

x+(x5-9)=28怎么算一步步写下来x+(x5-9)=28怎么算一步步写下来x+(x5-9)=28怎么算一步步写下来x+(x5-9)=28x+5x-9=286x=37x=6\37

(15+x)x5=75+195怎么算(15+x)x5=75+195怎么算(15+x)x5=75+195怎么算先算右边的加,等于270,再除以5,等于54,最后减15,等于39不能使用你提供的那个序列号

（2+7/5)x5/14怎么算?谢谢!^_^（2+7/5)x5/14怎么算?谢谢!^_^（2+7/5)x5/14怎么算?谢谢!^_^（2+7/5)x5/14=2*5/14+7/5*5/14=5/7+1

0.4x5÷0.4x5简便计算0.4x5÷0.4x5简便计算0.4x5÷0.4x5简便计算0.4x5÷0.4x5=0.4÷0.4x5x5=1x5x5=25

1+5=5那5X5=361+5=5那5X5=是怎么算的..1+5=5那5X5=361+5=5那5X5=是怎么算的..1+5=5那5X5=361+5=5那5X5=是怎么算的..因为5=1+5,所以5x5

计算,能简算的简算.5.5x17.3+6.7x5.5和9.07-22.78÷3.4计算,能简算的简算.5.5x17.3+6.7x5.5和9.07-22.78÷3.4计算,能简算的简算.5.5x17.3

x5+x+1怎么因式分解x5+x+1怎么因式分解x5+x+1怎么因式分解X5+X+1=X5-X4+X4-X3+X3-X2+X2+X+1=X4(X-1)+X3(X-1)+X2(X-1)+X2+X+1=X

x5+x+1怎么解x5+x+1怎么解x5+x+1怎么解这应该是一个等式

5.4x98+5.4x5-3X5.4怎么简便运算5.4x98+5.4x5-3X5.4怎么简便运算5.4x98+5.4x5-3X5.4怎么简便运算5.4x98+5.4x5-3X5.4=5.4×（98+5

4/5-4/5x5/6的简算4/5-4/5x5/6的简算4/5-4/5x5/6的简算4/5（1-5/6）=4/5x1/6=2/15

1.2x4.3+9.8x5.7如何简算?1.2x4.3+9.8x5.7如何简算?1.2x4.3+9.8x5.7如何简算?1.2x4.3+9.8x5.7=1.2x4.3+（1.2+8.6）x5.7=1.

(78一6)x5÷3怎样算简便(78一6)x5÷3怎样算简便(78一6)x5÷3怎样算简便(78一6)x5÷3=72x5÷3=72÷3x5=24x5=120