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Sagot :

Exercice 43 :

a. 753/100 = 7.53

b. 9856/10000 = 0.9856

c. 6420/10 = 642

d. 4+8/10 = 4 + 0.8 = 4.8

e. 84+7/10+6/100 = 84 + 0.7 + 0.06 = 84.76

f. 9+458/1000 = 9 + 0.458 = 9.458

Exercice 44 :

a. 84.9802 = 849 802/10 000

b. 6.001 = 6001/1000

c. 1.23 = 123/100

d. 4+8/10 = 4.8 = 48/10 (=24/5)

e. 84+7/10+6/100 = 84.76 = 8 476/100

f. 9+458/1000 = 9458/1000

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