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@ @TW@ @†a‡Èÿa@ @
.1 − 1 2 1 2 ×2 4
3
= ÷ = =
1− 1 3 2 3 1 3
2
.def abc :( ) ()
.abc + def = 100(a + d) + 10(b + e) + (c + f )
d=5 a=4
.f = 9 c = 8 e = 7 b = 6
.abc + def = 100(9) + 10(13) + 17 = 1047
:( ) ( )
91 .
62 = 36 52 = 25 42 = 16 32 = 9 22 = 4 12 = 1
.( ) . 92 = 81 82 = 64 72 = 49
( ) ( ) () :( ) ( )
)
( ) 13579 ( ) .13579
.13579
:( ) (
.
.
. 5 −3 −2
(5)(−3)(−2) = 30
:( ) ()