-8又13/12-2又2/3?
2个回答
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解:-8又13/12-2又2/3等于( -47/4 ),【即等于-11.75】
∵已知需求出-8又13/12-2又2/3等于多少
∴-8又13/12 - 2又2/3
= -(8×12+13)/12 - (2×3+2)/3
= -(96+13)/12 - (6+2)/3
= -109/12 - 8/3
= - 109/12 - (8×4)/(3×4)
= -109/12 - 32/12
= -(109+32)/12
= -141/12
= -47/4
= -11.75
答:-8又13/12-2又2/3等于-47/4,【即等于-11.75】
∵已知需求出-8又13/12-2又2/3等于多少
∴-8又13/12 - 2又2/3
= -(8×12+13)/12 - (2×3+2)/3
= -(96+13)/12 - (6+2)/3
= -109/12 - 8/3
= - 109/12 - (8×4)/(3×4)
= -109/12 - 32/12
= -(109+32)/12
= -141/12
= -47/4
= -11.75
答:-8又13/12-2又2/3等于-47/4,【即等于-11.75】
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