①1-0.01= | ②0.22= | ③0.7÷0.1= | ④6-= |
⑤ | ⑥120%-1= | ⑦÷60%= | ⑧÷= |
7.2+18.98= 50.5-1.83= 1.25×3.2=
2.5×0.2= | 0.8+0.26= | 82= | 6-3.7= |
9.6×2.5×4= | 4.25÷0.5= | 43= | 0÷0.25= |
53= | 2.4×5÷2.4×5= | 33= |
12÷0.3= | 2.1×0.1= | 0.6+4.44= |
3×23%= | 0.2÷20%= | 45.5%×10= | |
3.14×8= |
10+0.5= | 0.98-0.8= | 60×0.01= | 3.6-0.4= |
3.63×10= | 1.1×0.7= | 0.25×4= | 0.56+0.13= |
x | 1 | 0.2 |
3 | 3 | 0.6 |
0.7 | 0.7 | 0.14 |
× | 2 | 0.3 |
4 | 8 | |
0.4 |
8+( )+( )=( )+( )。
5.43+16.79= 50-18.43= 9.8×1.03=
①等腰三角形是特殊的等边三角形;
②两个小数的积一定大于这两个小数的和;
③两个小于1的小数的积一定小于1:
④在3.7的末尾添上两个0,就是把这个数扩大到原来的100倍。