2.05X5.8十2.06X4.2
答案:3 悬赏:60 手机版
解决时间 2021-01-21 17:57
- 提问者网友：难遇难求
- 2021-01-20 23:19
2.05X5.8十2.06X4.2
最佳答案
- 五星知识达人网友：独行浪子会拥风
- 2021-01-21 00:08
2.05X5.8十2.06X4.2
＝2.05X5.8十2.05X4.2+0.01X4.2
＝2.05X（5.8+4.2）+0.01X4.2
＝2.05X10+0.042
＝20.5+0.042
＝20.542
＝2.05X5.8十2.05X4.2+0.01X4.2
＝2.05X（5.8+4.2）+0.01X4.2
＝2.05X10+0.042
＝20.5+0.042
＝20.542
全部回答
- 1楼网友：野慌
- 2021-01-21 01:59
2.05X5.8十2.06X4.2
=2.05X5.8十2.05X4.2+0.01X4.2
=2.05X(5.8+4.2)+0.042
=2.05X10+0.042
=20.5+0.042
=20.542
=2.05X5.8十2.05X4.2+0.01X4.2
=2.05X(5.8+4.2)+0.042
=2.05X10+0.042
=20.5+0.042
=20.542
- 2楼网友：老鼠爱大米
- 2021-01-21 00:32
2.05X5.8十2.06X4.2
=2X5.8+0.05X5.8+2X4.2+0.06X4.2
=11.6+0.29+8.4+0.252
=（11.6+8.4）+（0.29+0.252）
=20+0.542
=20.542
=2X5.8+0.05X5.8+2X4.2+0.06X4.2
=11.6+0.29+8.4+0.252
=（11.6+8.4）+（0.29+0.252）
=20+0.542
=20.542
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