105×4________5×105 | 4500001________450万 | 68×2×5________68×10 |
78万________779000 | 2070万________20700000 | 503亿________50400000000 |
A.15﹣0 |
B.15×0 |
C.15÷0 |
95+125=________ | 240÷60=________ |
20×30=________ | 440÷11=________ |
128÷4=________ | 75×4=________ |
202+99=________ | 45×4+4×55=________ |
32×30= | 50×60= | 120×4= | 420×0= |
90÷3= | 5.6+2.8= | 4+0.4= | 15×40= |