84-63÷7=________ | 420×2=________ | 54÷6=________ | 103×4≈________ |
25-25×0=________ | + =________ | 1- =________ | 198×5≈________ |
806﹣279= | 453+556= | 269×4= |
503×6= | *467+533= | *634﹣182= |
*49÷9= |
50×5= | 110×6= | 81﹣54= | 600×7= |
3700+300= | 700+600= | 500+5000= | 465×0= |
56÷7= | 49÷5= | 275+0= | 123×2= |
+ = | 1﹣ = | 102×6≈ | 198×5≈ |