直接寫得數(shù).
4
9
×8.1
=
3
8
×
2
3
=
0.6÷
2
7
=
380×0.01=
12.5%+0.875= 20×(1-75%)= 9.6÷0.3= 3.8-(1.7+1.8)=
1-
5
8
=
36×(
1
9
-
1
18
)=
4
9
×8.1
=3.6,
3
8
×
2
3
=
1
4
0.6÷
2
7
=2.1,
380×0.01=3.8,
12.5%+0.875=1, 20×(1-75%)=5, 9.6÷0.3=32, 3.8-(1.7+1.8)=0.3,
1-
5
8
=
3
8
36×(
1
9
-
1
18
)=2.
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