387÷434343/292929
=387÷(434343/292929)
=387÷[43x10101/(29x10101)]
=387÷(43/29)
=387x29/43
=9x43x29/43
=9x29
=( 10 -1)x29
=290-29
=261
387÷434343/292929
=387÷(434343/292929)
=387÷[43x10101/(29x10101)]
=387÷(43/29)
=387x29/43
=9x43x29/43
=9x29
=( 10 -1)x29
=290-29
=261