(-5又3分之2)-(-3又4分之3)-(-2又3分之2)-(+1又4分之3)
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(-5又3分之2)-(-3又4分之3)-(-2又3分之2)-(+1又4分之3)
=[(-5)+(-2/3)]-[(-3)+(-3/4)]-[(-2)+(-2/3)]-(1+3/4)
=-5-2/3+3+3/4+2+2/3-1-3/4
=(-5+3+2-1)+(-2/3+2/3+3/4-3/4)
=-1+0
=-1
(-3分之2)-(-1又4分之3)-(-2又3分之2)-(+1又4分之3)
=-2/3-[(-1)+(-3/4)]-[(-2)+(-2/3)]-(1+3/4)
=-2/3+1+3/4+2+2/3-1-3/4
=(1+2-1)+(-2/3+3/4+2/3-3/4)
=2+0
=2
=[(-5)+(-2/3)]-[(-3)+(-3/4)]-[(-2)+(-2/3)]-(1+3/4)
=-5-2/3+3+3/4+2+2/3-1-3/4
=(-5+3+2-1)+(-2/3+2/3+3/4-3/4)
=-1+0
=-1
(-3分之2)-(-1又4分之3)-(-2又3分之2)-(+1又4分之3)
=-2/3-[(-1)+(-3/4)]-[(-2)+(-2/3)]-(1+3/4)
=-2/3+1+3/4+2+2/3-1-3/4
=(1+2-1)+(-2/3+3/4+2/3-3/4)
=2+0
=2
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解
(-5又3分之2)-(-3又4分之3)-(-2又3分之2)-(+1又4分之3)
=(-5又2/3+2又2/3)+(3又3/4-1又3/4)
=-3+2
=-1
(-3分之2)-(-1又4分之3)-(-2又3分之2)-(+1又4分之3)
=(2又2/3-2/3)+(1又3/4-1又3/4)
=2+0
=2
(-5又3分之2)-(-3又4分之3)-(-2又3分之2)-(+1又4分之3)
=(-5又2/3+2又2/3)+(3又3/4-1又3/4)
=-3+2
=-1
(-3分之2)-(-1又4分之3)-(-2又3分之2)-(+1又4分之3)
=(2又2/3-2/3)+(1又3/4-1又3/4)
=2+0
=2
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