-32 1/3 -5 1/4 -3 1/7 -5 1/4 +12 6/7
用拆项法来解这道题,解出给满意!
-32 1/3 -5 1/4 -3 1/7 -5 1/4 +12 6/7
用拆项法来解这道题,解出给满意!
-32 1/3 -5 1/4 -3 1/7 -5 1/4 +12 6/7
=-(32+1/3)-(5+1/4)-(3+1/7)-(5+1/4)+(12+6/7)
=(-32-5-3-5+12)+(-1/3-1/4-1/7-1/4+6/7)
=-35+(-5/42)
=-35又5/42
有任何问题请追问!!!
原式=-32-1/3-5-1/4-3-1/7-5-1/4+12+6/7
=(-32-5-3-5+12)-1/3-(1/4+1/4)+(6/7-1/7)
=-33-1/3-1/2+5/7
=-33-5/6+5/7
=-33-1/42