23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 07:03:00
![23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算](/uploads/image/z/2988322-34-2.jpg?t=23.42%2B46.84%C3%970.5378%C3%971%2F4%2B0.5378%C3%9746.84%C3%970.75-8%C3%9746.84%C3%970.125%C3%970.5378%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F%E8%AF%B7%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97)
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算
用分配律:23.42+(1/4+0.75-8×0.125)×46.84×0.5378
=23.42+0
=23.42
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378
=23.42+0.5378+[0.25*46.84+46.84*0.75]-46.84*(8*0.125)*0.5378
=23.42+0.5378*46.84-46.84*0.5378
=23.42
运用乘法分配律做:提出相同的数
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378
=23.42+46.84×0.5378×(1/4+0.75-8×0.125)
=23.42+46.84×0.5378×0
=23.42+0
=23.42
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378/是÷号结果是23.42,
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378等于多少?请用简便算
计算:46.84*0.5378*1/4+0.5378*46.84*0.75
46.84×0.5378×四分之一+0.5378×46.84×0.75-0.78 请用简便算法,
用最小刻度为毫米的刻度尺测量圆柱体横截面的直径,下列记录数据正确的是:A:23.420厘米B:23.42厘米C:23.4厘米D:23厘米
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