问题 解答题
直接写出得数:
3.4-
8
13
-
5
13
=
2
3
+
4
5
)×15=
2.4×
2
3
=
10×
1
5
÷
1
2
=
1
5
×5÷
1
5
×5=
9.6÷9
3
5
=
2
7
+3×
5
21
=
3
5
÷60%=
9
3
5
×9=
1+0.45÷0.9-0.75=
答案

3.4-
8
13
-
5
13
=2.4,
2
3
+
4
5
)×15=22,
2.4×
2
3
=1.6,
10×
1
5
÷
1
2
=4,
1
5
×5÷
1
5
×5=25,
9.6÷9
3
5
=1,
2
7
+3×
5
21
=1,
3
5
÷60%=1,
9
3
5
×9=86.4,
1+0.45÷0.9-0.75=0.75.

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