问题 解答题
292929×92-929292×29
(110+111+112)×37.5
+
0.01992÷0.004×
1
2000
(1+
1
3
×1.75)×12
答案

292929×92-929292×29
(110+111+112)×37.5
+
0.01992÷0.004×
1
2000
(1+
1
3
×1.75)×12

=0+

4.98×
1
2000
12+7

=

249
1900000

单项选择题 A1/A2型题
判断题