4.8×7.05–5.43用简便方法计算怎么算？
答案:2 悬赏:60 手机版
解决时间 2021-03-15 11:36
- 提问者网友：练爱
- 2021-03-14 11:00
4.8×7.05–5.43用简便方法计算怎么算？
最佳答案
- 五星知识达人网友：山有枢
- 2021-03-14 12:36
4.8×7.05–5.43
=(5-0.2)×7.05–5.43
=5×7.05-0.2×7.05–5.43
=35.25-1.41–5.43
=35.25-6.84
=35.25-7+0.16
=28.25+0.16
=28.41
=(5-0.2)×7.05–5.43
=5×7.05-0.2×7.05–5.43
=35.25-1.41–5.43
=35.25-6.84
=35.25-7+0.16
=28.25+0.16
=28.41
全部回答
- 1楼网友：由着我着迷
- 2021-03-14 13:22
4.8X7.05-5.43
=5X7.05-0.2X7.05-5.43
=35.25-1.41-5.43
=35.25-6.84
=35.25-7+0.16
=28.41
=5X7.05-0.2X7.05-5.43
=35.25-1.41-5.43
=35.25-6.84
=35.25-7+0.16
=28.41
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