72×26 +36×68简算法
答案:2 悬赏:30
解决时间 2021-01-29 21:32
- 提问者网友:沦陷
- 2021-01-29 06:06
72×26 +36×68简算法
最佳答案
- 二级知识专家网友:酒者煙囻
- 2021-01-29 07:34
把68拆成2乘34,然后2与36相乘得72,再用乘法分配律计算。
72×26+36×68
=72×26+72×34
=72×(26+34)
=72×60
=4320
72×26+36×68
=72×26+72×34
=72×(26+34)
=72×60
=4320
全部回答
- 1楼网友:封刀令
- 2021-01-29 08:37
72×26+36×68
=36×(2×26)+36×68
=36×52+36×68
=36×(52+68)
=36×120
=36×(100+20)
=36×100+36×20
=3600+720
=4320
=36×(2×26)+36×68
=36×52+36×68
=36×(52+68)
=36×120
=36×(100+20)
=36×100+36×20
=3600+720
=4320
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