题目内容
简便计算.
(
+
)×36
×101
÷3+
×
.
(
5 |
9 |
5 |
6 |
7 |
10 |
1 |
5 |
4 |
5 |
1 |
3 |
(1)(
+
)×36
=
×36+
×36
=20+30
=50;
(2)
×101
=
×(100+1)
=
×100+
×1
=70+
=70
;
(3)
÷3+
×
=
×
+
×
=(
+
)×
=1×
=
.
5 |
9 |
5 |
6 |
=
5 |
9 |
5 |
6 |
=20+30
=50;
(2)
7 |
10 |
=
7 |
10 |
=
7 |
10 |
7 |
10 |
=70+
7 |
10 |
=70
7 |
10 |
(3)
1 |
5 |
4 |
5 |
1 |
3 |
=
1 |
5 |
1 |
3 |
4 |
5 |
1 |
3 |
=(
1 |
5 |
4 |
5 |
1 |
3 |
=1×
1 |
3 |
=
1 |
3 |
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