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Mariannescc
@Mariannescc
April 2019
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J'ai fais un devoir aujourd'hui et je crois que j'ai fais faux a ce calcul, quelqu'un peut me donner la réponse? (Les * represente puissance)
9x10*-10x10*2x6
-------------------
12x(10*-3)*4x10*7+18
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le3emedu51
9x6 10*-10 x10*2
---- x --------------
12 (10*-3)*4x10*7+18
=54 10*-8
--- x -------- +18
12 10*1x10*7
=4,5 x 10*-8 +18
-----
10*8
=4,5 x10*0+18
=4,5 x 1+18
=4,5 +18
=22,5
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mariannescc
June 2021 | 0 Respostas
/!\ urgent Convertir 45 000 000 metres en km pour un dm. (Je ne m'en souviens plus et j'ai peur de me tromper)
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---- x --------------
12 (10*-3)*4x10*7+18
=54 10*-8
--- x -------- +18
12 10*1x10*7
=4,5 x 10*-8 +18
-----
10*8
=4,5 x10*0+18
=4,5 x 1+18
=4,5 +18
=22,5