找朋友(把与试题结果相等的算式代号填在括号里):
|
(1)483 -166-12-22 |
( ) |
A .3×50+5 |
|
(2)500 -452-48 |
( ) |
B .289+111+521 |
|
(3)30 ×5+5 |
( ) |
C .483-(166+12+22) |
|
(4)289 +512+111 |
( ) |
D .467-300+2 |
|
(5)500×7÷5 |
( ) |
E .500÷5×7 |
|
(6)467 -298 |
( ) |
F .500-(452+48) |
列竖式计算,并验算.
|
(1)501 -243 |
(2)290 +385 |