Sagot :
Réponse :
1) -7/4×-3/4
=21/16
2)-7/3×9/4
=-63/12
=21/4
3)7/5-4/3+1/10
=14/10-4/3+1/10
=13/10-4/3
=1/30
4)1/5-3/5×7/112
=1/5-21/560
=1/5-3/80
=13/80
/=trait de fraction
Réponse :
1) -7/4×-3/4
=21/16
2)-7/3×9/4
=-63/12
=21/4
3)7/5-4/3+1/10
=14/10-4/3+1/10
=13/10-4/3
=1/30
4)1/5-3/5×7/112
=1/5-21/560
=1/5-3/80
=13/80
/=trait de fraction