口算．
|
(1)36 ÷6= |
(2)12 ×2= |
(3)28 ÷4= |
|
(4)14 ×5= |
(5)63 ÷7= |
口算．
|
(1) |
(2) |
(3) |
(4) |
|
24 ÷3= |
12 ×5= |
4 ×7＋25= |
430 －160= |
|
36 ÷4= |
14 ×3= |
45 ÷5＋8= |
390 ＋390= |
|
45 ÷5= |
17 ×4= |
10 ×6－12= |
820 －650= |
|
64 ÷8= |
16 ×2= |
63 ＋78＋0= |
594 －9= |
|
72 ÷9= |
13 ×5= |
27 ÷3－9= |
798 ＋7= |
口算．
|
(1) |
(2) |
(3) |
(4) |
|
1 8÷3= |
2 ×5×5= |
9 ×6＋9÷3= |
3 ×8＋16= |
|
18 ×3= |
30 ÷5÷3= |
8 ×7－8×3= |
7 ×4＋28= |
|
35 ÷7= |
4 ×2×9= |
10 ×5＋4×5= |
9 ×6－16= |
|
15 ×6= |
48 ÷6÷4= |
10 ×8－3×8= |
72 ÷8＋18= |
|
45 ÷9= |
3 ×2×7= |
7 ×9＋9×2= |
60 ÷6－6= |
看谁算得又对又快．
|
(1)5 ＋7= |
(2)15 －7= |
(3)14 －3= |
|
(4)20－6= |
(5)12＋7－7= |