7.2*0.55-0.72*0.15用简便方法
答案:3 悬赏:60 手机版
解决时间 2021-03-30 18:46
- 提问者网友:黑米和小志
- 2021-03-30 03:13
7.2*0.55-0.72*0.15用简便方法
最佳答案
- 五星知识达人网友:何以畏孤独
- 2021-03-30 04:07
7.2*0.55-0.72*0.15
=0.72*10*0.55-0.72*0.15
=0.72*5.5-0.72*0.15
=0.72*(5.5-0.15)
=0.72*5.45
=3.924
=0.72*10*0.55-0.72*0.15
=0.72*5.5-0.72*0.15
=0.72*(5.5-0.15)
=0.72*5.45
=3.924
全部回答
- 1楼网友:慢性怪人
- 2021-03-30 06:29
7.2*0.55-0.72*0.15用简便方法
解:根据提取公因式的运用,
原式=7.2x0.55-7.2x0.015
=7.2x(0.55-0.015)
=7.2x0.535
=3.852
解:根据提取公因式的运用,
原式=7.2x0.55-7.2x0.015
=7.2x(0.55-0.015)
=7.2x0.535
=3.852
- 2楼网友:酒安江南
- 2021-03-30 05:39
=7.2×0.55-7.2×0.015
=7.2×(0.55-0.015)
=7.2×0.535
=3.852
=7.2×(0.55-0.015)
=7.2×0.535
=3.852
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