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用自己喜欢的方法计算．75%-（34-512）=7.5×45-5.5×80%+0.4=1318×5.16+5=16%×518=300×2.25%×2=
题目详情
用自己喜欢的方法计算．
75%-（
-
）=
7.5×
-5.5×80%+0.4=
×5.16+5=
16%×
=
300×2.25%×2=
-
）=
7.5×
-5.5×80%+0.4=
×5.16+5=
16%×
=
300×2.25%×2=
3 3 4 4
）=
7.5×
-5.5×80%+0.4=
×5.16+5=
16%×
=
300×2.25%×2=
5 5 12 12
-5.5×80%+0.4=
×5.16+5=
16%×
=
300×2.25%×2=
4 4 5 5
×5.16+5=
16%×
=
300×2.25%×2=
13 13 18 18
=
300×2.25%×2=
5 5 18 18
75%-（
| 3 |
| 4 |
| 5 |
| 12 |
7.5×
| 4 |
| 5 |
| 13 |
| 18 |
16%×
| 5 |
| 18 |
300×2.25%×2=
| 3 |
| 4 |
| 5 |
| 12 |
7.5×
| 4 |
| 5 |
| 13 |
| 18 |
16%×
| 5 |
| 18 |
300×2.25%×2=
| 3 |
| 4 |
| 5 |
| 12 |
7.5×
| 4 |
| 5 |
| 13 |
| 18 |
16%×
| 5 |
| 18 |
300×2.25%×2=
| 5 |
| 12 |
| 4 |
| 5 |
| 13 |
| 18 |
16%×
| 5 |
| 18 |
300×2.25%×2=
| 4 |
| 5 |
| 13 |
| 18 |
16%×
| 5 |
| 18 |
300×2.25%×2=
| 13 |
| 18 |
| 5 |
| 18 |
300×2.25%×2=
| 5 |
| 18 |
▼优质解答
答案和解析
（1）75%-（
-
）
=
-
+
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
3 3 34 4 4-
）
=
-
+
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
5 5 512 12 12）
=
-
+
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
3 3 34 4 4-
+
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
3 3 34 4 4+
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
5 5 512 12 12
=
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
5 5 512 12 12
（2）7.5×
-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
4 4 45 5 5-5.5×80%+0.4
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
13 13 1318 18 18×5.16+5
=
×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
13 13 1318 18 18×
+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
129 129 12925 25 25+5
=3
+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
109 109 109150 150 150+5
=8
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
109 109 109150 150 150
（4）16%×
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
5 5 518 18 18
=
×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
4 4 425 25 25×
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
5 5 518 18 18
=
（5）300×2.25%×2
=300×0.0225×2
=13.5
2 2 245 45 45
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 3 |
| 4 |
| 5 |
| 12 |
=
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 3 |
| 4 |
| 5 |
| 12 |
=
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 5 |
| 12 |
=
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 3 |
| 4 |
| 3 |
| 4 |
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 3 |
| 4 |
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 5 |
| 12 |
=
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 5 |
| 12 |
（2）7.5×
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 4 |
| 5 |
=7.5×0.8-5.5×0.8+0.4
=（7.5-5.5）×0.8+0.4
=2×0.8+0.4
=1.6+0.4
=2
（3）
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 13 |
| 18 |
=
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 13 |
| 18 |
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 129 |
| 25 |
=3
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 109 |
| 150 |
=8
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 109 |
| 150 |
（4）16%×
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 5 |
| 18 |
=
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 4 |
| 25 |
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 5 |
| 18 |
=
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
| 2 |
| 45 |
（5）300×2.25%×2
=300×0.0225×2
=13.5
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