(3/7)^5*(8/21)^0*(9/7)^4
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/30 12:30:06
(3/7)^5*(8/21)^0*(9/7)^4
(3/7)^5*(8/21)^0*(9/7)^4
=(3^5/7^5)*(9^4/7^4)
=(3^5/7^5)*(3^8/7^4)
=3^13/7^9
{[b√(ab)]³*³√(a²b)}/³√(ab²)
=b^(1+3/2+1/3-2/3)*a^(3/2+1-1/3)
=b^(2+5/6)*a^(2+1/6)
=(ab)²*b^(5/6)*a^(1/6)
[a²*³√(a²b)]/√(ab)
=a^(2+2/2-1/2)*b^(1/2-1/2)
=a^(2+1/2)*b^0
=a^(5/2)
=a²√a
=(3^5/7^5)*(9^4/7^4)
=(3^5/7^5)*(3^8/7^4)
=3^13/7^9
{[b√(ab)]³*³√(a²b)}/³√(ab²)
=b^(1+3/2+1/3-2/3)*a^(3/2+1-1/3)
=b^(2+5/6)*a^(2+1/6)
=(ab)²*b^(5/6)*a^(1/6)
[a²*³√(a²b)]/√(ab)
=a^(2+2/2-1/2)*b^(1/2-1/2)
=a^(2+1/2)*b^0
=a^(5/2)
=a²√a
(3/7)^5*(8/21)^0*(9/7)^4
1+2-3+4+5-9+8+7-0+21
(3/7)5次方*(8/21)0次方/(9/7)4次方
9/2×5/3 7/6×9/7 8/5×15/4 20/9×21/5
1/21+5/8+4/9+3/7=
7+7+7+7+7+7+1+2+3+4+5+6+7+0+8+91+2+3+4+5+6+7+8+9+0+123+456+7
4/3*1+8/3*5+15/5*7+16/7*9+...+40/19*21等于
4/1×3+8/3×5+15/5×7+16/7×9+.+40/19×21=?
1+2+3+4+5+6+4+3+2+4+56+7+7+8+89+9+0+7+7+7+7+7+7+7++5+53+3+33
8/3×(1/3-8/21×8/16) 99×7/10 (3/7+4/21)×21 5/17×9/24+9/17×7/2
简便运算2/3+3/4+4/5+6/7+7/8+8/9+9/20+10/21+17/72
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