-24-28-(-19)+(-24)-(-32)= 2/3-1/8-(-1/3)+(-3/8)= -2/3+(-1/6)-(-1/4)-1/2=
问题描述:
-24-28-(-19)+(-24)-(-32)= 2/3-1/8-(-1/3)+(-3/8)= -2/3+(-1/6)-(-1/4)-1/2=
答
-24-28-(-19)+(-24)-(-32)
=-52+19-24+32
=-76+51
=-25
2/3-1/8-(-1/3)+(-3/8)
=2/3-1/8+1/3-3/8
=1-1/2
=1/2
-2/3+(-1/6)-(-1/4)-1/2
=-2/3-1/6+1/4-1/2
=-8/12-2/12-6/12+3/12
=-13/12
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【采纳为满意回答】
答
-24-28-(-19)+(-24)-(-32)
= -24-28+19-24+32
=19+32-24-24-28
=51-76
=-25
2/3-1/8-(-1/3)+(-3/8)
= 2/3-1/8+1/3-3/8
=2/3+1/3-1/8-3/8
=1-1/2
=1/2
-2/3+(-1/6)-(-1/4)-1/2
= -2/3-1/6+1/4-1/2
=1/4-8/6
=-13/12
答
-24-28-(-19)+(-24)-(-32)=-24-28+19-24+32=-52-5+32=-252/3-1/8-(-1/3)+(-3/8)=(2/3+1/3)-(1/8+3/8)=1-1/2=1/2-2/3+(-1/6)-(-1/4)-1/2=-2/3-1/6+1/4-1/2=-8/12-2/12+3/12-6/12=-13/12如果本题有什么...