题目内容
(
+
+
)×48
0.7×34%+0.7×66%
1 |
6 |
2 |
3 |
5 |
8 |
0.7×34%+0.7×66%
(1)(
+
+
)×48,
=
×48+
×48+
×48,
=8+32+30,
=70;
(2)0.7×34%+0.7×66%,
=0.7×(34%+66%),
=0.7×1,
=0.7.
1 |
6 |
2 |
3 |
5 |
8 |
=
1 |
6 |
2 |
3 |
5 |
8 |
=8+32+30,
=70;
(2)0.7×34%+0.7×66%,
=0.7×(34%+66%),
=0.7×1,
=0.7.
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