题目内容
| 用递等式计算． 3060÷15-2.5×1.04 |
|
0.16+4÷（
| |||||||||||||||
|
|
3060÷15-2.5×1.04，
=204-2.6，
=201.4；
×
+
÷
，
=
+
×9，
=
×（1+9），
=
×10，
=
，
=9
；
0.16+4÷（
-
），
=0.16+4÷
，
=0.16+4×4，
=0.16+16，
=16.16；
-[
-（
+
）]，
=
-
+
+
，
=（
+
）-（
-
），
=1-1，
=0；
÷[（
+
）÷
]
=
÷（
+
）×
，
=
×
×
，
=
．
=204-2.6，
=201.4；
| 7 |
| 5 |
| 2 |
| 3 |
| 14 |
| 15 |
| 1 |
| 9 |
=
| 14 |
| 15 |
| 14 |
| 15 |
=
| 14 |
| 15 |
=
| 14 |
| 15 |
=
| 28 |
| 3 |
=9
| 1 |
| 3 |
0.16+4÷（
| 3 |
| 8 |
| 1 |
| 8 |
=0.16+4÷
| 1 |
| 4 |
=0.16+4×4，
=0.16+16，
=16.16；
| 3 |
| 7 |
| 19 |
| 5 |
| 14 |
| 5 |
| 4 |
| 7 |
=
| 3 |
| 7 |
| 19 |
| 5 |
| 14 |
| 5 |
| 4 |
| 7 |
=（
| 3 |
| 7 |
| 4 |
| 7 |
| 19 |
| 5 |
| 14 |
| 5 |
=1-1，
=0；
| 3 |
| 5 |
| 1 |
| 5 |
| 1 |
| 3 |
| 2 |
| 9 |
=
| 3 |
| 5 |
| 3 |
| 15 |
| 5 |
| 15 |
| 2 |
| 9 |
=
| 3 |
| 5 |
| 15 |
| 8 |
| 2 |
| 9 |
=
| 1 |
| 4 |
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