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masya89 [10]
3 years ago
11

1) (7 X 6) = 2 [{45 - 3(7 X 2 - 15 + 6)} + 4] ​

Mathematics
2 answers:
zhuklara [117]3 years ago
7 0

Answer:

42=2[{45-3(14-21)}+4]

42=2[{45-3×-6}+4]

42=2[{45-18}+4]

42=2[{27}+4]

42=2[27+4]

42=2×31

42=62

pogonyaev3 years ago
7 0

Answer:

1) (7 X 6) = 2 [{45 - 3(7 X 2 - 15 + 6)} + 4]

or,42=2[{45-3(14-15+6)}+4]

or,42=2[{45-3(14-21)}+4]

or,42=2[{45-3X(-7)}+4]

or,42=2[45+21}+4]

or,42=2X70

:42=140

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