题目内容
(1)(
-
×99)÷
(2)
×
+
×
(3)(16×
+4)÷
.
1 |
4 |
1 |
4 |
25 |
24 |
(2)
4 |
7 |
8 |
9 |
3 |
7 |
8 |
9 |
(3)(16×
3 |
8 |
2 |
7 |
(1)(
+
×99)÷
=
×100×
,
=24;
(2)
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(3)(16×
+4)÷
,
=(6+4)×
,
=10×
,
=35.
1 |
4 |
1 |
4 |
25 |
24 |
=
1 |
4 |
24 |
25 |
=24;
(2)
4 |
7 |
8 |
9 |
3 |
7 |
8 |
9 |
=(
4 |
7 |
3 |
7 |
8 |
9 |
=1×
8 |
9 |
=
8 |
9 |
(3)(16×
3 |
8 |
2 |
7 |
=(6+4)×
7 |
2 |
=10×
7 |
2 |
=35.
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