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a fost răspuns

Calculați dand mai intai factor comun partial :
1. 49*125-49*50+75*51=
23*35+23*15-50*22=

Răspuns :

49(125-50)+75×51
49×75+75×51
75(49+51)
75×100
7500
identic
23(35+15)-50×22
50(23-22)
50
49*125-49*50+75*51=
=49(125-50)+75*51
=49*75+75*51
=75(49+51)
=75*100
=7500

23*35+23*15-50*22=
=23(35+15)-50*22
=23*50-50*22
=50(23-22)
=50*1
=50