.1-7

1/7*1/7*1/7等于 1/7>( )>( )>2/7 1-7 1-7 1-7 .1-7 1-7 1/7÷7+7÷1/7,有好评! 1/7(x-1)=1/7 25.6-2/7-4/7-1/7 (1)1/7x 1 2 7 6 7 ( ) 计算(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1) 6(7+1)(7^2+1)(7^4+1)(7^8+1)(7^16+1) 1/log5^7+1/log3^7+1/log2^7 ,求值 1／7+1／7+.+1／7}改写成乘法算式 1/7*2+1/7*4+1/7*8+1/7*16+1/7*32+1/7*64=?用拆项法解 (-7)^2010×(1/7)^2011×(-1)^2009