Bonjour,
32 + 4 + 5 + 2( − 1)
= 32 + 9 - 2
= 41 - 2
= 39
4(2 − 5) + 3( − 1)
= 4 * (- 3) - 3
= - 12 - 3
= - 15
= (2 − 3) − 2(32 − 5)
= (- 1) * - 2 * 27
= 2 * 27
= 54
= (3 + 1)(2 + 3)
= 4 * 5
= 20
= (2 − 1)( − 3)
= 1 * (- 3)
= - 3
= (3 − 1)(2 − 3) + ( + 2)(3 − 5)
= 2 * (- 1) + 2 * (- 2)
= - 2 - 4
= - 6
= (2 − 1)(2 + 3) − (3 − 4)( − 5)
= 1 * 5 - (- 1) * (- 5)
= 5 - 5
= 0.
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Bonjour,
32 + 4 + 5 + 2( − 1)
= 32 + 9 - 2
= 41 - 2
= 39
4(2 − 5) + 3( − 1)
= 4 * (- 3) - 3
= - 12 - 3
= - 15
= (2 − 3) − 2(32 − 5)
= (- 1) * - 2 * 27
= 2 * 27
= 54
= (3 + 1)(2 + 3)
= 4 * 5
= 20
= (2 − 1)( − 3)
= 1 * (- 3)
= - 3
= (3 − 1)(2 − 3) + ( + 2)(3 − 5)
= 2 * (- 1) + 2 * (- 2)
= - 2 - 4
= - 6
= (2 − 1)(2 + 3) − (3 − 4)( − 5)
= 1 * 5 - (- 1) * (- 5)
= 5 - 5
= 0.