98乘以25乘以50,用简便方法如何计算?
答案:7 悬赏:40 手机版
解决时间 2021-02-27 17:48
- 提问者网友：一抹荒凉废墟
- 2021-02-27 04:32
98乘以25乘以50,用简便方法如何计算?
最佳答案
- 五星知识达人网友：洒脱疯子
- 2021-02-27 05:49
98X25X50
=49X2X25X50
=50x2500-1X2500
=125000-2500
=122500
=49X2X25X50
=50x2500-1X2500
=125000-2500
=122500
全部回答
- 1楼网友：鱼芗
- 2021-02-27 11:13
98*25*50=49*25*100=(50-1)*2500=125000-2500=122500
- 2楼网友：蓝房子
- 2021-02-27 10:48
98*25*50=（100-2）*25*50=100*25*50-2*25*50=100*25*50-（2*25）*50=125000-50*50=125000-2500=122500
- 3楼网友：醉吻情书
- 2021-02-27 09:41
98X25X50=98X100x100/4/2=12250000
- 4楼网友：像个废品
- 2021-02-27 09:34
98×25×50
=[(100-2)×50]×25
=(5000-100)×25
=125000-2500
=122500
=[(100-2)×50]×25
=(5000-100)×25
=125000-2500
=122500
- 5楼网友：思契十里
- 2021-02-27 08:10
98×1.25×25×40
- 6楼网友：举杯邀酒敬孤独
- 2021-02-27 06:55
98×25×50
=49×2×25×50×4÷4
=49×(2×50)×(25×4)÷4
=490000÷4
=122500
=49×2×25×50×4÷4
=49×(2×50)×(25×4)÷4
=490000÷4
=122500
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