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Ioyo04
a fost răspuns

5x=0,9
4x=41,9
X:2,35=3,02
X:2,45=5,75
27,01:x=0,2
9,164:x=1,6
0,5x-0,8 la punerea 2 = 3,96

Răspuns :

Cristinaioana2
5x=0,9⇒x=0,9:5=0,18
4x=41,9⇒x=41,9:4=10,475
x:2,35=3,02 ⇒x=3,02x2,35=7,097
x:2,45=5,75 ⇒x=5,75x2,45=14,0875
27,01:x=0,2 ⇒x=27,01:0,2=135,05
9,164:x=1,6 ⇒x=9,164:1,6=5,7275
0,5x-0,8²=3,96 ⇒0,5x-0,64=3,96⇒0,5x=3,96+0,64⇒0,5x=4,6⇒x=4,6:0,5=9,2

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