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rina62
21.11.2019 •
Mathematics
3x {[(12-8) x 2] + [(11 - 9) x 3]} add explanation
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Ответ:
42
Step-by-step explanation:
3 x {[(12-8) x 2] + [(11 - 9) x 3]}
12-8=4 and 11-9=2.
3 x ((4 x 2) + (2 x 3))
4 x 2= 8 and 2 x 3=6.
3 x (8 + 6)
8 + 6 is 14.
3 x 14 is 42.
Ответ:
![7 {}^{8} \times 7 {}^{3} \times 7 {}^{4} \div 7 {}^{9} \times 7 {}^{5} \\ = 7 {}^{8 + 3 + 4 - 9 + 5 } \\ = 7 {}^{11}](/tpl/images/2610/0600/ac910.png)
furthєr... 7¹¹ = 1977326743———————————![properties \: that \: we \: used \: while \\ solving \: the \: question \: are \: as \: follows - \\ \\ x {}^{m} \times x {}^{n} = x {}^{m + n} \\ \frac{x {}^{m} }{x {}^{n} } = x {}^{m - n}](/tpl/images/2610/0600/a76cf.png)
———————————hσpє hєlpful~
~вє вrαínlч!