1.-3-[-5+(1-0.2×3/5)÷(-2)]2.-9²+2×(-3)²+(-6)÷(-2/3)3.-1四次方-(1-0.5)×1/3×[2-(-3)²]4.(-3)²-(1又1/2)×2/9-6÷|-2/3|5.32×(-2/3)+(-11)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 10:30:48
![1.-3-[-5+(1-0.2×3/5)÷(-2)]2.-9²+2×(-3)²+(-6)÷(-2/3)3.-1四次方-(1-0.5)×1/3×[2-(-3)²]4.(-3)²-(1又1/2)×2/9-6÷|-2/3|5.32×(-2/3)+(-11)](/uploads/image/z/1855825-25-5.jpg?t=1.%EF%BC%8D3%EF%BC%8D%5B%EF%BC%8D5%EF%BC%8B%EF%BC%881%EF%BC%8D0.2%C3%973%2F5%EF%BC%89%C3%B7%EF%BC%88%EF%BC%8D2%EF%BC%89%5D2.%EF%BC%8D9%26sup2%3B%EF%BC%8B2%C3%97%EF%BC%88%EF%BC%8D3%EF%BC%89%26sup2%3B%EF%BC%8B%EF%BC%88%EF%BC%8D6%EF%BC%89%C3%B7%EF%BC%88%EF%BC%8D2%2F3%EF%BC%893.%EF%BC%8D1%E5%9B%9B%E6%AC%A1%E6%96%B9%EF%BC%8D%EF%BC%881%EF%BC%8D0.5%EF%BC%89%C3%971%2F3%C3%97%5B2%EF%BC%8D%28%EF%BC%8D3%29%26sup2%3B%5D4.%EF%BC%88%EF%BC%8D3%EF%BC%89%26sup2%3B%EF%BC%8D%EF%BC%881%E5%8F%881%2F2%EF%BC%89%C3%972%2F9%EF%BC%8D6%C3%B7%7C%EF%BC%8D2%2F3%7C5.32%C3%97%EF%BC%88%EF%BC%8D2%2F3%EF%BC%89%EF%BC%8B%EF%BC%88%EF%BC%8D11%EF%BC%89)
1.-3-[-5+(1-0.2×3/5)÷(-2)]2.-9²+2×(-3)²+(-6)÷(-2/3)3.-1四次方-(1-0.5)×1/3×[2-(-3)²]4.(-3)²-(1又1/2)×2/9-6÷|-2/3|5.32×(-2/3)+(-11)
1.-3-[-5+(1-0.2×3/5)÷(-2)]
2.-9²+2×(-3)²+(-6)÷(-2/3)
3.-1四次方-(1-0.5)×1/3×[2-(-3)²]
4.(-3)²-(1又1/2)×2/9-6÷|-2/3|
5.32×(-2/3)+(-11)×(-2/3)-21×(-2/3)
6.-3/4×[-3²×(-2/3)²-2]
7.-2²+(-2)³×5-(-0.28)÷(-2)²
8.-(-1)四次方-(1-1/2)÷(+3)×[2-(-3)²]
1.-3-[-5+(1-0.2×3/5)÷(-2)]2.-9²+2×(-3)²+(-6)÷(-2/3)3.-1四次方-(1-0.5)×1/3×[2-(-3)²]4.(-3)²-(1又1/2)×2/9-6÷|-2/3|5.32×(-2/3)+(-11)
题目不吵了哈!
1.=-3-[-5+(1-0.12)÷(-2)]=-3-[-5+0.78÷(-2)]=-3-[-5-0.39]=2+0.39=2.39;
2.=-81+2×9+6÷2/3=-81+18+9=-54;
3.=1-1/2×1/3×(-7)=1+7/6=13/6;
4.=9-3/2×2/9+6×3/2=9-1/3+9=17又2/3;
5.=-64/3+22/3+42/3=0/3=0;
6.=-3/4×[-9×4/9-2]=-3/4×(-6)=9/2;
7.=-4+(-40)+0.28÷4=-44+0.07=-43.93;
8.=-1-1/2÷3×[2-9]=-1-1/6×(-7)=-1+7/6=1/6.
1.=-3-[-5+(1-0.12)÷(-2)]=-3-[-5+0.78÷(-2)]=-3-[-5-0.39]=2+0.39=2.39;
2.=-81+2×9+6÷2/3=-81+18+9=-54;
3.=1-1/2×1/3×(-7)=1+7/6=13/6;
4.=9-3/2×2/9+6×3/2=9-1/3+9=17又2/3;
5.=-64/3+22/3+42/3=...
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1.=-3-[-5+(1-0.12)÷(-2)]=-3-[-5+0.78÷(-2)]=-3-[-5-0.39]=2+0.39=2.39;
2.=-81+2×9+6÷2/3=-81+18+9=-54;
3.=1-1/2×1/3×(-7)=1+7/6=13/6;
4.=9-3/2×2/9+6×3/2=9-1/3+9=17又2/3;
5.=-64/3+22/3+42/3=0/3=0;
6.=-3/4×[-9×4/9-2]=-3/4×(-6)=9/2;
7.=-4+(-40)+0.28÷4=-44+0.07=-43.93;
8.=-1-1/2÷3×[2-9]=-1-1/6×(-7)=-1+7/6=1/6.
收起
1.
=-3-[-5+(1-0.12)÷(-2)]
=-3-[-5+0.88÷(-2)]
=-3-(-5-0.44)
=-3-(-5.44)
=-3+5.44
=2.44
2.
=-81+2×9+6×3/2
=-81+18+9
=-54
3.
=-1-0.5×1/3×[2-9]
=-1-1/2×...
全部展开
1.
=-3-[-5+(1-0.12)÷(-2)]
=-3-[-5+0.88÷(-2)]
=-3-(-5-0.44)
=-3-(-5.44)
=-3+5.44
=2.44
2.
=-81+2×9+6×3/2
=-81+18+9
=-54
3.
=-1-0.5×1/3×[2-9]
=-1-1/2×1/3×(-7)
=-1+7/6
=1/6
4.
=9-(3/2)×2/9+6×3/2
=9-1/3+9
=17又2/3
5.
=-64/3+22/3+42/3)
=0
6.
=-3/4×(-9×4/9-2)
=-3/4×(-4-2)
=-3/4×(-6)
=9/2
7.
=-4-8×5+0.28÷4
=-4-40+0.07
=-43.93
8.
=-1-1/2÷3×[2-9]
=-1-1/2÷3×(-7)
=-1+7/6
=1/6
收起