| 脱式计算,能简算的要简算. (1)(125+8)×8 |
(2)25×13×4 | (3)18.8-4.125-5.875 | ||||||||||||||||||||||
(4)
|
(5)[1-(
|
(6)
|
| (2)25×13×4, =25×4×13, =100×13, =1300; |
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