作业帮(-9)^5×(-2/3)^5×(1/3)^5
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(-9)^5×(-2/3)^5×(1/3)^5
(-9)^5×(-2/3)^5×(1/3)^5
(-9)^5×(-2/3)^5×(1/3)^5
(-9)^5×(-2/3)^5×(1/3)^5
=[-9x(-2/3)x1/3]^5
=2^5
=32
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原式=[(-9)×(-2/3)×(1/3)]^5
=2^5
=32
(-9)^5×(-2/3)^5×(1/3)^5
=9^5×(2/3)^5×(1/3)^5
=(9×2/3×1/3)^5
=2^5
=32
原式=[-9*(-2/3)*(1/3)]^5
=2^5
=32
(-9)^5×(-2/3)^5×(1/3)^5
1+2+9+5+3-10+3
3/5/[(1/5+1/3)/2/9]详解
-|-2/3-(+2/3)|-|(-1/5)+(-2/5)| |4/7-2/5|-|3/5-7/9|+|2/9-3/7|
9×3×5×2
1+2+3+5+9等于
8-9/5 10-1 3/2
-1-6-3+2+5-9=?
1/2+9/5-8/3得?
5/9+（3/4-1/2）
1+2+3+5+4+6+9
脱式计算 2/3+5/9-2/3+5/9 3/9-(1/4-1/9)-3/4
(5/9-1/2*1/3)/5/6简算
5+1+2+1+3+9+8+4+5
1/9+1/5+3/5+4/9+2/3+7/8+1/6+5/7+3/7+5/8+3/5+1/8+2/9=?
从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17
2:5/4 9/25:3/5 2/3:5/6 1/5:1/20 5/9:1 2:3/8 3/4:4/3化简比
1+9+7+3+5+2/2+9/91