第52页

信息发布者：
B
C
=0.25×4×0.9
=1×0.9
=0.9
=0.125×8×1.1
=1×1.1
=1.1
=6.17×0.1 + 5×6.17 + 4.9×6.17
=6.17×(0.1 + 5 + 4.9)
=6.17×10
=61.7
$59.33$
$29$
$7$
$6.1$
(28-10)÷1.2+3=18(千米)
答：到白岭农场最多有18千米。
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