Question

Помогите пж
A×5=12×40 C+1240=1060×20

Answer 1

а * 5 = 12 * 40
5а = 480
а = 480 : 5
а = 96
96 * 5 = 480

с + 1240 = 1060 * 20
с + 1240 = 21200
с = 21200 - 1240
с = 19960
19960 + 1240 = 21200

Answer 2

a×5=12×40
a×5=480
a=480÷5
a=96
___________
96×5=12×40
480=480

c+1240=1060×20
c+1240=21200
c=21200-1240
c=19960
____________
19960+1240=1060×20
21200=21200