-8又4分之1+8又4分之1除(-2又12分之7乘31分之3)
=-8-1/4+(8+1/4)÷(-31/7×3/31)
=-8-1/4+33/4×(-7/3)
=-33/4+(-77/4)
=-110/4
=-27.5;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
-8又4分之1+8又4分之1除(-2又12分之7乘31分之3)
=-8-1/4+(8+1/4)÷(-31/7×3/31)
=-8-1/4+33/4×(-7/3)
=-33/4+(-77/4)
=-110/4
=-27.5;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,