Question

№143 Амалдарды орындаңыз: 1) (6-4)-4; 2) (2+1)-1; 3) (-)-( + )· 10 4 .​

Answer 1

1) (6-4)-4=-2

 1. 6-4=2

 2. 2-4=-2

2)(2+1)-1=2

 1.2+1=3

 2. 3-1=2

3)(-)-( + )· 10=10