Question

Calculeaza
900- 19 x 27
28x(300- 272)
27 x 34 +743

dau coroana!​

Answer 1

900 - 19 • 27 = 387

1) 19 • 27 = 513

2) 900 - 513 = 387

28 • ( 300 - 272 ) = 784

1) 300 - 272 = 28

2) 28 • 28 = 784

27 • 34 + 743 = 1.661

1) 27 • 34 = 918

2) 918 + 743 = 1.661