Toán Lớp 5: [ x + 3]x27 = 297
55x[123 – 6x] = 495
tim x nha ae
ez ma
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Toán Lớp 5: [ x + 3]x27 = 297
55x[123 – 6x] = 495
tim x nha ae
ez ma
Comments ( 2 )
<=>x+3=297:27
<=>x+3=11
<=>x=11-3
<=>x=8
Vậy : x=8
55xx(123-6x)=495
<=>123-6x=495:55
<=>123-6x=9
<=>6x=123-9
<=>6x=114
<=>x=114:6
<=>x=19
Vậy : x=19