A.90 |
B.100 |
C.110 |
D.120 |
A. |
B. |
C. |
D. |
A.能被9整除的数,也能被3整除 |
B.真分数的倒数大于它本身 |
C.周长相等的长方形和正方形,面积也相等 |
+ =________ | 30 =________ | 0.48÷0.6=________ | ﹣ =________ |
÷2=________ | 3.5﹣3.05=________ | ÷ =________ | 7 ( + )=________ |
=________ | 1﹣ =________ | ÷ =________ | 4﹣ ﹣ =________ |
0.25 12=________ | =________ | 3.27+1.83=________ | + + =________ |