33x4.8 34x2.4简便
答案:1 悬赏:50
解决时间 2021-11-05 21:03
- 提问者网友:斑駁影
- 2021-11-05 14:30
33x4.8 34x2.4简便
最佳答案
- 二级知识专家网友:封刀令
- 2021-11-05 15:18
原式
=33x4.8+34x2.4
=33x2x2.4+34x2.4
=66x2.4+34x2.4
=(66+34)x2.4
=100x2.4
=240
=33x4.8+34x2.4
=33x2x2.4+34x2.4
=66x2.4+34x2.4
=(66+34)x2.4
=100x2.4
=240
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