Explicación paso a paso:
[tex]a) \: 4 \times = 2 - 1 \\ 4 \times = 1 \\ \times = 1 \div 4 \\ \times = 1[/tex]
[tex]b)5 \times - 4 = 36 \\ 5 \times = 36 + 4 \\ 5 \times = 40 \\ \times = 40 \div 5 \\ \times = 8[/tex]
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Explicación paso a paso:
[tex]a) \: 4 \times = 2 - 1 \\ 4 \times = 1 \\ \times = 1 \div 4 \\ \times = 1[/tex]
[tex]b)5 \times - 4 = 36 \\ 5 \times = 36 + 4 \\ 5 \times = 40 \\ \times = 40 \div 5 \\ \times = 8[/tex]