题目内容
9
×3.8+5
×9.5+1÷
.
1 |
2 |
1 |
5 |
2 |
19 |
9
×3.8+5
×9.5+1÷
=9
×3.8+5.2×9
+1×9
=9
×(3.8+5.2+1)
=9
×10
=95.
1 |
2 |
1 |
5 |
2 |
19 |
=9
1 |
2 |
1 |
2 |
1 |
2 |
=9
1 |
2 |
=9
1 |
2 |
=95.
练习册系列答案
相关题目
题目内容
1 |
2 |
1 |
5 |
2 |
19 |
1 |
2 |
1 |
5 |
2 |
19 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |