问题
解答题
(
0.7×34%+0.7×66% |
答案
(1)(
+1 6
+2 3
)×48,5 8
=
×48+1 6
×48+2 3
×48,5 8
=8+32+30,
=70;
(2)0.7×34%+0.7×66%,
=0.7×(34%+66%),
=0.7×1,
=0.7.
(
0.7×34%+0.7×66% |
(1)(
+1 6
+2 3
)×48,5 8
=
×48+1 6
×48+2 3
×48,5 8
=8+32+30,
=70;
(2)0.7×34%+0.7×66%,
=0.7×(34%+66%),
=0.7×1,
=0.7.