脱式计算：2.44÷0.4+18.92×7.5 1...
答案:1 悬赏:80 手机版
解决时间 2021-03-27 17:16
- 提问者网友：感性作祟
- 2021-03-27 11:59
脱式计算：2.44÷0.4+18.92×7.5 1...
最佳答案
- 五星知识达人网友：夜余生
- 2021-03-27 12:45
（1）2.44÷0.4+18.92×7.5
=6.1+141.9
=148
（2）13.5×0.68-4.1×0.76
=9.18-3.116
=6.064
（3）150+（7.1-3.05）×18
=150+4.05×18
=150+72.9
=222.9
（4）[78-（9.41+28.99）]÷0.18
=[78-38.4]÷0.18
=39.6÷0.18
=220
（5）0.08×0.5+8.4÷0.6
=0.04+14
=14.04
（6）0.3×2.6+3×0.74
=0.3×2.6+0.3×7.4
=0.3×（2.6+7.4）
=0.3×10
=3
=6.1+141.9
=148
（2）13.5×0.68-4.1×0.76
=9.18-3.116
=6.064
（3）150+（7.1-3.05）×18
=150+4.05×18
=150+72.9
=222.9
（4）[78-（9.41+28.99）]÷0.18
=[78-38.4]÷0.18
=39.6÷0.18
=220
（5）0.08×0.5+8.4÷0.6
=0.04+14
=14.04
（6）0.3×2.6+3×0.74
=0.3×2.6+0.3×7.4
=0.3×（2.6+7.4）
=0.3×10
=3
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