口算.
|
(1)8 ×8+64= |
(2)630 -360= |
|
(3)9 ×7-25= |
(4)243 +342= |
|
(5)42 ÷6+39= |
(6)505 +9= |
|
(7)36 +19+24= |
(8)505 -9= |
|
(9)80 ÷8-7= |
(10)419 +8= |
口算
|
(1)11 ×6= |
(2)7 ×5+2×5= |
|
(3)48 ÷8= |
(4)7 ×5-2×5= |
|
(5)13 ×4= |
(6)3 ×3×8= |
|
(7)90 ÷9= |
(8)40 ÷5÷4= |
|
(9)14 ×6= |
(10)4 ×2×7= |
口算.
|
(1)510 -380= |
(2)360 +270= |
|
|
(3)807 -9= |
(4)496 +8= |
|
|
(5)606 -7= |
口算.
|
(1)7 ×8+50= |
(2)10 ×7-22= |
|
(3)28 ÷4+35= |
(4)25 +18+25= |
|
(5)4 ×9+55= |
口算
|
(1)3 ×8+6×8= |
(2)9 ×6-9×3= |
|
(3)4 ×2×3= |
(4)32 ÷4÷2= |
|
(5)5 ×2×7= |
口算.
|
(1)36 ÷6= |
(2)12 ×2= |
(3)28 ÷4= |
|
(4)14 ×5= |
(5)63 ÷7= |