Selina2009ask
a fost răspuns

(324:6+345:5)×2+1 237 =43×a+1354


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Răspuns :

Emiemy23ask

Răspuns:

(54+69)×2+1237=43×a+1354=>123×2+1237=43×a+1354=>246+1237=43×a+1354=>1483=43×a+1354=>43×a=1483-1354=>43×a=129=>a=129÷43=>a=3

Monineagu147ask

Explicație pas cu pas:

(324:6+345:5)×2+1237=43×a+1354

(54+69)×2+1237=43×a+1354

123×2+1237=43×a+1354

246+1237=43×a+1354

1483=43×a+1354

43×a=1483-1354

43×a=129

a=129:43

a=3

sper ca te-am ajutat :3

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