题目内容
合理灵活的计算。
|
| ( =( = =24+9﹣15 =18 |
(2)5.5×36+55×6.4 =5.5×36+5.5×64 =(36+64)×5.5 =100×5.5 =550 |
| (3)[ =[ = = |
(4)( = = |
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题目内容
合理灵活的计算。
|
| ( =( = =24+9﹣15 =18 |
(2)5.5×36+55×6.4 =5.5×36+5.5×64 =(36+64)×5.5 =100×5.5 =550 |
| (3)[ =[ = = |
(4)( = = |