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)

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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)
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.

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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

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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) -7---5-----4---3-1-9--3--6-8--6-3---2-6---9-8---1-8--4-1--6--9-9-2---4-----48--2- 一道趣味数独,----------68---75-5--8-9--3---1-8--9--7--5--2-4---2--71----4--84362--97----------第一次玩数独,做了很长时间, 1:三次根号100-三次根号-3又3/8+三次根号64 解方程: 1:三次根号2x+5=2 ------------- -1+3-5+7-… -17+19 初一数学题对答案谢谢1.(-25)+13+|-7|―(-5);2.18-21÷(-7)×(-1/3);3.-3/4×(-8+1/3-1/2);4.-1的四次方-1/6×{2-(-3)²} |-3-2|减【(-5)-(-7)+1/3】=? -1+2-3+4-5+6-7.-2009+2010=? 1-2+3-4+5-6+7-8~-98+99 三道用简便算法的算式,(1) 1990-1985+1980-1975+1970-1965+…+20-15+10(2) 100+99+98-97-96-95+…+10+9+8-7-6-5以(100+99+98-97-96-95)6个数为一组(3)1-2+3-4+5-6+ ((1-2+3-4+5…-100)+(1-2+3-4+5…-100))*(-100)+50= 2(x-2)-1>=5+3(x-2) 【简单】求:初一有理数的加减混合运算(1) (-8)-(-3)-(-6)(2) 7-(-4)+12-(-8)(3) -20-2+5-6.4+(-4/5)(4) (-53)+(+24)-(-79)-(+37)(5) (+32)+(-16) -2(x-1)=2-3(x-2)..5分之x+17-4分之3x-7=-2..-x-3分之x-1=2分之x-1-1.. 1+(-2)+3+(-4)+5+(-6)+…+2003+(-2014) (-1)+2+(-3)+4+(-5)+6+⋯+2010+(-2011) 机算-1+2+3-4-5+6+7-8-9+10+11-12-……-2005+2006+2007-2008-2009的值? 有些题不会做 请教 初一的题需要过程【一】-6÷(-0.25)×6分之5【二】(-60)×(4分之3+6分之5-15分之11-12分之7)【三】1-0.2×〔-3-4×(5分之18-5.3)〕【四】-7分之22×(7分之22