1)150×y+350=5600÷7
150y+350=800
150y=800-350
150y=450
y=450÷150
y=3
2)150×d+340×k+280×m
150×8+340×19+280×21=
1200+6460+5880=13540 тг жұмсалды
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1)150×y+350=5600÷7
150y+350=800
150y=800-350
150y=450
y=450÷150
y=3
2)150×d+340×k+280×m
150×8+340×19+280×21=
1200+6460+5880=13540 тг жұмсалды