口算:
|
(1)60 ×50= |
(2)900 ÷100= |
|
(3)71 -28= |
(4)24 ×5= |
|
(5)6000 ÷100= |
(6)70 ×60-420= |
口算:
|
(1)50 ×20= |
(2)51 ÷17= |
(3)980 ÷14= |
|
(4)680 ÷34= |
(5)230 ÷46= |
(6)70 ÷35= |
|
(7)800 ÷16= |
(8)48 ÷16= |
口算:
|
(1)63 ÷21= |
(2)98 ÷49= |
(3)92 ÷23= |
|
(4)27 ×3= |
(5)40 ÷2= |
(6)720 ÷24= |
|
(7)650 ÷13= |
(8)720 ÷4= |