9+6.5+4-1
9+6.5+4-1
0.16+4÷(3/8-1/4)8/9+(1-3/4)×4/9 3.5×0.8+6.5×80%
6.5-2又9分之4等于?
怎样简便怎样算 4.8×101-4.8 3.1×6.5+6.9×6.5 0.125×2.怎样简便怎样算4.8×101-4.83.1×6.5+6.9×6.50.125×2.6×8037.47×101<1.25+12.5>×01.84.4×0.2510.9×9+10.9
10+9-6.5+5-6+4-5-8+9
6.5-(1.6÷5-0.3)和9/4-1/4X=3/8 这两题如何进行简便计算?
1/4-1/2-1/8)*128 中括号9*(-4)中括号*(-1/4) 2.25*(-2.3)-3/25 (-2.1)*6.5*(-3/7)
解方程:2又9分之4+X=6.5
9x-4x=6.5 解方程
解方程练习题4x+6.5=9x
9x-4x=6.5 x=?
化简比,36:96,5/4:7/3 0.15:9 3.4:1/4 6.5:13 27:54 0.35:7 2/3:3/4
3.4,-2,0,1/3,2009,-1/4,6.5,-5/9,4,-1.6哪个数是整数,小数,分数,负数,正数和自
简算 6.5*4分之1+2.5除以4+0.25简算6.5*4分之1+2.5除以4+0.25
6.5x-10分之1=4分之1x
计算0.5x-0.7=6.5-1.3x 2(x-2)-3(4x-1)=9(1-x)
-3/4+(-20.125)-6.5+1/8-(-0.75)
1又3/4+(-6.5)+3又3/8+(-1.75)