问题
解答题
(1
|
答案
(1
×8.12+51 1998
÷31 75
×82 3
)÷41997 1998 11 48
=(1
×1 1998
+203 25
×406 75
×83 2
)×1997 1998 48 203
=(1
×1 1998
+203 25
×8203 25
)×1997 1998 48 203
=
×(1203 25
+81 1998
)×1997 1998 48 203
=
×10×203 25 48 203
=19.2.