题目内容
用递等式计算。
|
| (1)原式= 451+246 =697 |
(2)原式=786×3 =2358 |
(3)原式=0+998 =998 |
| (4)原式=1080-27 =1053 |
(5)原式=517×7 =3619 |
(6)原式=510+9 =519 |
| (7)原式=56+702 =758 |
(8)原式=214×4 =856 |
(9)原式= 464+864 =1328 |
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题目内容
用递等式计算。
|
| (1)原式= 451+246 =697 |
(2)原式=786×3 =2358 |
(3)原式=0+998 =998 |
| (4)原式=1080-27 =1053 |
(5)原式=517×7 =3619 |
(6)原式=510+9 =519 |
| (7)原式=56+702 =758 |
(8)原式=214×4 =856 |
(9)原式= 464+864 =1328 |