问题:
① 8×(
1
2
-
2
5
)÷80%
② 50%÷
2
3
×
3
4
-37.5%
③
5
12
÷
7
12
-
2
3
④ (6.7×60%+3.3×60%)÷
1
4
⑤ 10×(
8
5
-
3
8
÷37.5%).
① 8×(
-
)÷80%
② 50%÷
×
-37.5%
③
÷
-
④ (6.7×60%+3.3×60%)÷
⑤ 10×(
-
÷37.5%).
1 |
2 |
2 |
5 |
② 50%÷
2 |
3 |
3 |
4 |
③
5 |
12 |
7 |
12 |
2 |
3 |
④ (6.7×60%+3.3×60%)÷
1 |
4 |
⑤ 10×(
8 |
5 |
3 |
8 |
参考答案: