(+4)×[(+3)÷(-2)]
4×[3÷÷(-2)]
4×[-6]
-24
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3x(-2)= -6
Nos queda
4x(-6)=-24
Recuerda que
+ por + = +
+ x - o - x + = -
- x - = +
(+4)×[(+3)÷(-2)]
4×[3÷÷(-2)]
4×[-6]
-24