(-3/4)x(8-1又1/3-0.04加3又1/5)要详细过程,

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(-3/4)x(8-1又1/3-0.04加3又1/5)要详细过程,

(-3/4)x(8-1又1/3-0.04加3又1/5)要详细过程,
(-3/4)x(8-1又1/3-0.04加3又1/5)要详细过程,

(-3/4)x(8-1又1/3-0.04加3又1/5)要详细过程,
先计算8-1又1/3=6又2/3
在计算0.04加3又1/5=4/100+16/5=4/100+16/5=1/25+80/25=81/25
8-1又1/3-0.04加3又1/5=6又2/3-31/25=20/3-81/25=500/75-243/75=257/75
(-3/4)x(8-1又1/3-0.04加3又1/5)=(-3/4)x257/75=-(3x257)/(4x75)=-(871/300)=-2又271

=(-3/4)*(8-4/3-0.04+16/5)
=(-3/4)*8-(-3/4)*4/3-(-3/4)*0.04+(-3/4)*16/5
=-6+1+0.03-2.4
=-7.37

计算8-1又1/3=6又2/3