Bonsoir :)
A= 5/9÷1/2
= 5/9× 2/1
= 5×2/9×1
= 10/9
B= 5/9÷2
= 5/9×1/2
= 5×1/9×2
= 5/18
C= 3/7÷(-3)
= 3/7×1/-3
= 3×1/7×-3
= 3/-21
= -3×1/7×3
= -1/7
D= 1/6÷1/3
= 1/6×3/1
= 1×3/6×1
= 3/6
= 3×1/3×2
= 1/2
E= -2/7÷5/7
= -2/7×7/5
= -2×7/-7×5
= -14/-35
= 7×2/7×5
= 2/5
F= 4/5÷1/15
= 4/5×15/1
= 4×15/5×1
= 60/5
= 4×3×5/5
= 12
Bonne soirée :)
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Bonsoir :)
A= 5/9÷1/2
= 5/9× 2/1
= 5×2/9×1
= 10/9
B= 5/9÷2
= 5/9×1/2
= 5×1/9×2
= 5/18
C= 3/7÷(-3)
= 3/7×1/-3
= 3×1/7×-3
= 3/-21
= -3×1/7×3
= -1/7
D= 1/6÷1/3
= 1/6×3/1
= 1×3/6×1
= 3/6
= 3×1/3×2
= 1/2
E= -2/7÷5/7
= -2/7×7/5
= -2×7/-7×5
= -14/-35
= 7×2/7×5
= 2/5
F= 4/5÷1/15
= 4/5×15/1
= 4×15/5×1
= 60/5
= 4×3×5/5
= 12
Bonne soirée :)