问题
解答题
|
答案
(1)
×36%+36%×1 7
,6 7
=(
+1 7
)×36%,6 7
=36%;
(2)48%×10.7-0.7×48%,
=(10.7-0.7)×48%,
=10×48%,
=4.8;
(3)
×0.42+5 8
×42%,3 8
=(
+5 8
)×0.42,3 8
=0.42;
(4)
×1 4
+25%×75%,3 4
=
+3 16
,3 16
=
.3 8