Sagot :
Réponse:
ex 1:
A=4/2 × 1/7 =2/7
B=24/7 - 8/35 = 120/35 -8/35=112/35
C=-20/9×-27/-35=540/-315 =108/-63 =36/-21
D=(6/4-1/4):3/-8 =5/4×-8/3 =-40/12=-20/6=-10/3
Réponse:
ex 1:
A=4/2 × 1/7 =2/7
B=24/7 - 8/35 = 120/35 -8/35=112/35
C=-20/9×-27/-35=540/-315 =108/-63 =36/-21
D=(6/4-1/4):3/-8 =5/4×-8/3 =-40/12=-20/6=-10/3