5/6时增加它的_是1时;_千克减少30%是0.77千克.
问题描述:
时增加它的______是1时;______千克减少30%是0.77千克. 5 6
答
(1)(1-
)÷5 6
,5 6
=
÷1 6
,5 6
=
;1 5
(2)0.77÷(1-30%),
=0.77÷70%,
=1.1(千克).
故答案为:
,1.1.1 5