问题 解答题
直接写得数.
1.8×0.3=42×100=3.4+1.6=4×0.25=
2
3
+
5
12
=
0.49÷7=100×0.2=1-0.01=10÷0.1=
1
7
-
1
8
=
答案

1.8×0.3=0.54,42×100=4200,3.4+1.6=5,4×0.25=1,
2
3
+
5
12
=
13
12
0.49÷7=0.07,100×0.2=20,1-0.01=0.99,10÷0.1=100,
1
7
-
1
8
=
1
56

单项选择题
单项选择题