5.3x80%+4.6×4/5+0.8÷10=
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解决时间 2021-03-24 20:34
- 提问者网友:记得曾经
- 2021-03-24 03:37
5.3x80%+4.6×4/5+0.8÷10=
最佳答案
- 五星知识达人网友:不想翻身的咸鱼
- 2021-03-24 04:32
5.3x80%+4.6×4/5+0.8÷10
=5.3x0.8+4.6×0.8+0.8x0.1
=(5.3+4.6+0.1)x0.8
=10 x 0.8
=8
=5.3x0.8+4.6×0.8+0.8x0.1
=(5.3+4.6+0.1)x0.8
=10 x 0.8
=8
全部回答
- 1楼网友:天凉才是好个秋
- 2021-03-24 06:18
=5.3*8/10+4.6*4/5+0.8/10
=8
=8
- 2楼网友:何以畏孤独
- 2021-03-24 06:07
解:5.3x80%+4.6×4/5+0.8÷10
= (5×10 + 3)/10 × 4/5 + (4×10 + 6)/10 × 4/5 + 4/5 × 1/10
= 53/10 × 4/5 + 46/10 × 4/5 + 4/5 × 1/10
= 4/5 × (53/10 + 46/10 + 1/10)
= 4/5 × 10
= 8
= (5×10 + 3)/10 × 4/5 + (4×10 + 6)/10 × 4/5 + 4/5 × 1/10
= 53/10 × 4/5 + 46/10 × 4/5 + 4/5 × 1/10
= 4/5 × (53/10 + 46/10 + 1/10)
= 4/5 × 10
= 8
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