题目内容
脱式计算，能简算的要简算．
（1）475+660÷33×25
（2）400-14
-85
（3）(
+
-
)×36
（4）5.84×1.36+1.36×3.16+1.36
（5）[1.9-6÷（2.4×5）]÷（14×0.2）
（6）[（
+
)×
-
]÷
×
-
]÷
．
（1）475+660÷33×25
（2）400-14
| 13 |
| 27 |
| 14 |
| 27 |
（3）(
| 5 |
| 9 |
| 7 |
| 18 |
| 11 |
| 12 |
（4）5.84×1.36+1.36×3.16+1.36
（5）[1.9-6÷（2.4×5）]÷（14×0.2）
（6）[（
| 8 |
| 9 |
| 4 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
（1）475+660÷33×25
=475+20×25
=475+500
=975；
（2）400-14
-85
=400-（14
+85
）
=400-100
=300；
（3）(
+
-
)×36
=
×36+
×36-
×36
=20+14-33
=1；
（4）5.84×1.36+1.36×3.16+1.36，
=（5.84+3.16+1）×1.36，
=10×1.36，
=13.6；
（5）[1.9-6÷（2.4×5）]÷（14×0.2）
=[1.9-6÷12]÷2.8
=[1.9-0.5]÷2.8
=1.4÷2.8
=0.5；
（6）[（
+
)×
-
]÷
×
-
]÷
=[
×
-
]÷
=[
-
]÷
=
×12
=17．
=475+20×25
=475+500
=975；
（2）400-14
| 13 |
| 27 |
| 14 |
| 27 |
=400-（14
| 13 |
| 27 |
| 14 |
| 27 |
=400-100
=300；
（3）(
| 5 |
| 9 |
| 7 |
| 18 |
| 11 |
| 12 |
=
| 5 |
| 9 |
| 7 |
| 18 |
| 11 |
| 12 |
=20+14-33
=1；
（4）5.84×1.36+1.36×3.16+1.36，
=（5.84+3.16+1）×1.36，
=10×1.36，
=13.6；
（5）[1.9-6÷（2.4×5）]÷（14×0.2）
=[1.9-6÷12]÷2.8
=[1.9-0.5]÷2.8
=1.4÷2.8
=0.5；
（6）[（
| 8 |
| 9 |
| 4 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
=[
| 20 |
| 9 |
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 12 |
=[
| 5 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
=
| 17 |
| 12 |
=17．
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