题目内容
简算,并写出简算过程。
|
| (1)原式=23-( =23-1 =22 |
(2)原式=44× =20-11 =9 |
(3)原式=7.5×(46.7+52.3+1) =7.5×100 =750 |
| (4)原式=(6+13-19)× =0× =0 |
(5)原式=( = = |
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题目内容
简算,并写出简算过程。
|
| (1)原式=23-( =23-1 =22 |
(2)原式=44× =20-11 =9 |
(3)原式=7.5×(46.7+52.3+1) =7.5×100 =750 |
| (4)原式=(6+13-19)× =0× =0 |
(5)原式=( = = |