2 years ago

Number puzzle:

Mathematics

2 answers:

Taya2010 [7]2 years ago

4 0

Answer:

6(7+5)+3+75

Step-by-step explanation:

7+5+12, 12*6+72, 72+3+75

ra1l [238]2 years ago

3 0

6 times (7+5) plus 3 or 6x(7+5)+3

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$a. \: \hat{D}=\hat{C}=64° \\ b. \stackrel\frown{BF}=2\hat{C}=2\times 64°=128° \\ c. \: \hat{E} = \hat{C}=64° \\ d. \stackrel \frown{CBF} = 2\widehat{CEF}=2\times 90°=180° \\ e. \: \widehat{BAF} = 2\hat{C} = 2\times 64°=128° \\ f. \: \widehat{BAC} = \widehat{CAF}-\widehat{BAF}=180°-128°=52°$