问题
解答题
脱式计算.
|
答案
(1)24-24×
=24×(1- =24× =4; (2) = = = =25 (3)12÷ =12× =3, (4) = = =1 (5) = =2; |
12 |
7 |
2 |
3 |
1 |
4 |
=
÷12 7
,5 12
=4
.4 35
脱式计算.
|
(1)24-24×
=24×(1- =24× =4; (2) = = = =25 (3)12÷ =12× =3, (4) = = =1 (5) = =2; |
12 |
7 |
2 |
3 |
1 |
4 |
=
÷12 7
,5 12
=4
.4 35