| 怎样简便就怎样算。 | ||||||
|
| (1)72×125 =8×125×9 =9000 |
(2)432-257-143 =432-400 =32 |
(3)5000÷125÷8 =5000÷1000 =5 |
| (4)26×201 =5200+26 =5226 |
(5)88×7+11×44 =44×(14+11) =4000 |
(6)199×99+99 =99×200 =19800 |
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a.12×(4+25)[ ]
a. 47+(14×5)(1)35+65=
65+35=
35+65○65+35