(2-4/5*0.75)/(2+4/5) 递等式计算
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(2-4/5*0.75)/(2+4/5) 递等式计算
(2-4/5*0.75)/(2+4/5) 递等式计算
(2-4/5*0.75)/(2+4/5) 递等式计算
(2-4/5×0.75)/(2+4/5)
=(2-4/5×3/4)÷(2+4/5)
=(2-3/5)÷(2+4/5)
=7/5÷14/5
=7/5×5/14
=1/2
(2-4/5*0.75)/(2+4/5) 递等式计算
4.6÷5分之4+0.75×5分之2+5×75%(计算,能简算用简算)
(-3/4)+33/8+|-0.75|+(-5 1 /2)+|-2 5 /8|=?
0.75+(-4分之11)-0.125-(-2分之5)+(-4又8分之1)
0.75+(-2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
5分之2÷(-2又5分之2)-21分之8×(1又4分之3)-0.75
5分之2÷(-2又5分之2)-21分之8×(-1又4分之3)-0.75
(4分之1+0.75)÷(2又2分之1×0.4+1又5分之4÷1.8) )
8 :15 = 24 :( ) 0.75 :1 = ( ):4 0.2 :1.58 :15 = 24 :( ) 0.75 :1 = ( ):40.2 :1.5 = 2 :( ) 1/2 :3/4 = 2 :( )2/5 :1/6 = ( ):5
(1/2-2/3+5/4-5/6-3/8)×(-24)0.5-(2/3-5/4)×0.6÷(-0.75)
0.75=( ) 2/5 =( ) 3.42=( ) 5/8=( ) 2.12=( ) 4 又 1/4 =( )
[(0.75+5/1)÷0.25+5/2]×2/5
0.75+(-2又3/4)
(-3 又1/3)÷2又4/5÷(-3又1/8)÷(-0.75)
48÷【(-6)-4】 、 (-81)÷(+3又1/4)*(-4/9)÷(-1又1/13)2/5÷(-2又2/5)-1/28*(-1又3/4)-0.75
简便计算 0.75+(2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)0.75+(2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
几道数学计算题7/4÷7/8-2/3×(-6) -0.125÷1/4×(-8) (-10/3)×(-2.5)×4×(-3/10) (-5)×(-0.75)-(-5)×0.125+(-5)×(0.125)
0.75+(-2 3/4)+(0.125)+(-12 5/7)+(-4