9分之4m的9分之4是多少m
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 13:15:24
将x=2/3代入方程得3(m-2/3×3/4)+2/3×3/2=5×2/33m-3/2+1=10/33m-1/2=10/33m=10/3+1/23m=23/6m=23/18
题错16+8M+M三次方分之16-M²(即: )不能分解为(M+2)、(M-2)、(M+4)、(M-4)的乘积;如改为 即可:如图
9分之m=n分之4m/9=4/n两边×9m=36/n两边×nmn=36所以说是反比例希望能够帮助你!
m^2-12/9-m-2/3=m^2-m-2=(m-2)(m-1)
12/(m²-9)-2/(m-3)=12/(m²-9)-2(m+3)/(m²-9)=[12-2(m+3)]/(m²-9)=-2(m-3)/(m²-9)
原式=2m/(m+2)(m-2)-(m+2)/(m+2)(m-2)=(2m-m-2)/(m+2)(m-2)=(m-2)/(m+2)(m-2)=1/(m+2)
11、12、13、15、14、15(8/16
原式=m/(m+3)+6/(m+3)(m-3)*(m-3)/2=m/(m+3)+3/(m+3)=(m+3)/(m+3)=1
﹙1﹚14×2/7=4﹙2﹚3÷4÷1=3/4﹙3﹚6÷3/5=10吨
12/(m^2-9)+2/(3-m)+2/(m+3)=12/(m^2-9)-2/(m-3)+2/(m+3)=12/(m^2-9)-2(m+3)/(m^2-9)+2(m-3)/(m^2-9)=[12-2
(m+2分之2m-m-2分之m)除以m的平方-4分之m=m*(2/(m+2)-1/(m-2))*(m^2-4)/m=(2/(m+2)-1/(m-2))*(m+2)(m-2)=2(m-2)-(m+2)=
原式=2m/(m+2)(m-2)-(m+2)/(m+2)(m-2)=(2m-m-2)/(m+2)(m-2)=(m-2)/(m+2)(m-2)=1/(m+2)
4m的平方—9分之2m的平方+m—3=(2M+3)(2M-3)分之(2M+3)(M-1)=(2M-3)分之(M-1)再问:x-1分之x-3除以x的平方+2x+1分之x-3-x-1分之1化简后代入x=根
x=2/3代入3(m-1/2)+1=5m3m-3/2+1=5m2m=-1/2m=-1/4
(M-3分之1)(M的平方+9分之1)(M+3分之1)=(M-3分之1)(M+3分之1)(M的平方+9分之1)=(M²-9分之1)(M²+9分之1)=M的4次方-81分之1很高兴为
2/5+4/9+7/10=139/90(m)
写错了吧应该是(m²-3m)/(9-m²)=-m(m-3)/(m+3)(m-3)=-m/(m+3)
9分之4的m次方*8分之27的m-1次方=3分之2(2/3)的2m次方*(3/2)的3(m-1)次方=3分之2(2/3)的(2m-3m+3)次方=2/32m-3m+3=1m=2
[m/(m+3)-6/(m^2-9)]÷[2/(m-3)]=[m/(m+3)-6/(m+3)(m-3)]×[(m-3)/2]={[m(m-3)-6]/[(m+3)(m-3)]}×[(m-3)/2]=(
=(m-4)/(m+3)(m-3)×(m²+2m-3)/(m²-8m+16)×(m-3)=(m-4)/(m+3)×(m+3)(m-1)/(m-4)²=(m-1)/(m-4