求解 42.8*4.5 | Microsoft Math Solver

跳到主要内容

42.8 \cdot 4.5

= 1.3480000000000025

求值

192.6

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因式分解

\frac{1 0 7 \cdot 3 ^{2}}{5} = 192 \frac{3}{5} = 192.6

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测验

42.8 \times 4.5

来自 Web 搜索的类似问题

How do you evaluate

23.5 \times 24.5

https://socratic.org/questions/how-do-you-evaluate-23-5-times-24-5

23.5 \times 24.5 = 575.75

Explanation: One way is to note that:

23.5 \times 24.5 = (24 - \frac{1}{2}) (24 + \frac{1}{2}) = 24^{2} - (\frac{1}{2})^{2} = 576 - \frac{1}{4} = 575.75

How do you find the product of

1.81 \times 0.5

https://socratic.org/questions/how-do-you-find-the-product-of-1-81-times-0-5

0.905

(This is a really fast approach - there are others)

0.5

\frac{5}{1 0} = \frac{1}{2}

How do you simplify

2 - (8 \times - 4 - 6)

https://socratic.org/questions/how-do-you-simplify-2-8-times-4-6

The expression simplifies to

- 40

2 - (8 \cdot - 4 - 6)

First simplify inside the parentheses. Multiplication comes before division ...

How do you simplify

21 - 8 \times 4.5 + 60

https://socratic.org/questions/how-do-you-simplify-21-8-times-4-5-60

45

Explanation: Here,

21 - 8 \times 4.5 + 60

= 21 - 36 + 60

= 81 - 36

= 45

Note : While simplifying, ...

How do you multiply

10.4 \times 4.6

https://socratic.org/questions/how-do-you-multiply-10-4-times-4-6

10.4 \times 4.6 = 47.84

Explanation: First notice

10.4 \times 4.6 = (\frac{1}{1 0} \times 104) \times (\frac{1}{1 0} \times 46)

How do you evaluate

4.24 \times 4.24

https://socratic.org/questions/how-do-you-evaluate-4-24-times-4-24

4.24 \times 4.24 = 17.9776

Explanation: Doing the calculation by hand, you could break it down as follows: Starting with

4.24

4

共享

已复制到剪贴板

192.6

将 42.8 与 4.5 相乘，得到 192.6。

示例

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