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有理数计算题27-18+(-7)-321/3-(-5/6)+2/3-4+7-96-11+4+2
题目详情
有理数计算题
27-18+(-7)-32 1/3-(-5/6)+2/3 -4+7-9 6-11+4+2
27-18+(-7)-32 1/3-(-5/6)+2/3 -4+7-9 6-11+4+2
▼优质解答
答案和解析
27-18+(-7)-32
=27-18-7-32
=9-7-32
=2-32
=-30
1/3-(-5/6)+2/3
=1/3+5/6+2/3
=(1/3+2/3)+5/6
=1+5/6
=11/6
-4+7-9
=3-9
=-6
6-11+4+2
=(6+4+2)-11
=12-11
=1
=27-18-7-32
=9-7-32
=2-32
=-30
1/3-(-5/6)+2/3
=1/3+5/6+2/3
=(1/3+2/3)+5/6
=1+5/6
=11/6
-4+7-9
=3-9
=-6
6-11+4+2
=(6+4+2)-11
=12-11
=1
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