题目内容
3000÷24+103×32
10.8×(
+
+
)
2.36÷4+4.58×0.25+1
×
4.5+5.5×3.6×0.1
(3.25-0.8×
)÷(6
-3.5)
(5
-2.75)÷[(
+2
)×
].
10.8×(
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 9 |
2.36÷4+4.58×0.25+1
| 3 |
| 50 |
| 1 |
| 4 |
4.5+5.5×3.6×0.1
(3.25-0.8×
| 5 |
| 8 |
| 1 |
| 4 |
(5
| 1 |
| 2 |
| 2 |
| 7 |
| 1 |
| 2 |
| 7 |
| 13 |
(1)3000÷24+103×32
=125+4160
=4285;
(2)10.8×(
+
+
)
=10.8×
+10.8×
+10.8×
=7.2+9+4.8
=21;
(3)2.36÷4+4.58×0.25+1
×
=2.36×
+4.58×
+1
×
=(2.36+4.58+1
)×
=8×
=2;
(4)4.5+5.5×3.6×0.1
=4.5+19.8
=24.3;
(5)(3.25-0.8×
)÷(6
-3.5)
=(3.25-0.5)÷2.75
=2.75÷2.75
=1;
(6)(5
-2.75)÷[(
+2
)×
].
=2.75÷[
×
].
=
×
=
.
=125+4160
=4285;
(2)10.8×(
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 9 |
=10.8×
| 2 |
| 3 |
| 5 |
| 6 |
| 4 |
| 9 |
=7.2+9+4.8
=21;
(3)2.36÷4+4.58×0.25+1
| 3 |
| 50 |
| 1 |
| 4 |
=2.36×
| 1 |
| 4 |
| 1 |
| 4 |
| 3 |
| 50 |
| 1 |
| 4 |
=(2.36+4.58+1
| 3 |
| 50 |
| 1 |
| 4 |
=8×
| 1 |
| 4 |
=2;
(4)4.5+5.5×3.6×0.1
=4.5+19.8
=24.3;
(5)(3.25-0.8×
| 5 |
| 8 |
| 1 |
| 4 |
=(3.25-0.5)÷2.75
=2.75÷2.75
=1;
(6)(5
| 1 |
| 2 |
| 2 |
| 7 |
| 1 |
| 2 |
| 7 |
| 13 |
=2.75÷[
| 39 |
| 14 |
| 7 |
| 13 |
=
| 11 |
| 4 |
| 2 |
| 3 |
=
| 11 |
| 6 |
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