Răspuns :
Răspuns:
Explicație pas cu pas:
[tex]24\cdot15+a=420[/tex]
[tex]360+a=420[/tex]
[tex]a=420-360[/tex]
[tex]\blue{\underline{a=60}}[/tex]
===============
[tex]23\cdot56-b=843[/tex]
[tex]1288-b=843[/tex]
[tex]b=1288-843[/tex]
[tex]\purple{\underline{b=445 }}[/tex]
===============
[tex]c-75\cdot45=1000[/tex]
[tex]c-3375=1000[/tex]
[tex]c=3375+1000[/tex]
[tex]\red{\underline{c=4375}}[/tex]
Răspuns:
a) 24×15+a=420
360+a=420
a=420-360
a=60
b) 23×56-b=863
1228-b=863
b=1228-863
b=445
c) 75×45=1000
c-3375=1000
c=3375+1000
c=4375