问题 解答题
直接写出结果
568-198=
0.65÷1.3=4.5×102=5-0.25+0.75=3.7×99+3.7=
0.4÷40%=600÷25÷8=1.2÷
3
5
=
4
7
+
2
7
÷2
=
5-5÷6=
30%+6.5=5÷21×7=
1
2
+
3
4
-0.5
=
5
7
÷
10
21
=
2
5
÷5×
2
5
=
42
7
15
÷7
=
答案

568-198=370;0.65÷1.3=0.5;4.5×102=459;5-0.25+0.75=5.5;3.7×99+3.7=370;
0.4÷40%=1;600÷25÷8=6;1.2÷
3
5
=2;
4
7
+
2
7
÷2
=
5
7
5-5÷6=4
1
6
30%+6.5=6.8;5÷21×7=1
2
3
1
2
+
3
4
-0.5
=0.75;
5
7
÷
10
21
=1.5;
2
5
÷5×
2
5
=
4
25
42
7
15
÷7
=6
1
15

多项选择题
材料分析题