问题 解答题
口算我最棒!
1
2
-5%
=
1
3
×60%
=
90%÷3=
7
10
×2%
=
4
5
÷8%
=
2
3
-
1
6
=
120%×
1
4
=
1-15%=
40÷100=80%×
1
5
=
2
3
×
3
4
=
1
6
×
3
7
=
1+40%=72×10%=
答案

1
2
-5%
=0.45,
1
3
×60%
=
1
5
90%÷3=0.3,
7
10
×2%
=
7
500
4
5
÷8%
=10,
2
3
-
1
6
=
1
2
120%×
1
4
=
3
10
1-15%=0.85,
40÷100=0.4,80%×
1
5
=
4
25
2
3
×
3
4
=
1
2
1
6
×
3
7
=
1
14
1+40%=1.4,72×10%=7.2.

单项选择题 A1/A2型题
单项选择题 A型题