6800-1648:8+78*4=? 31100 - (4180*3+236*8) = ? 5110*6-99:33=? 8130*5+72:24=? по действиям

6800 - (1648:8) + 78 * 4 = 6800 - 206 + 312 = 6906

31100 - (4180*3 + 236*8) = 31100 - (12540+1888) = 31100 - 14428 = 16672

5110*6-99:33 = 30660 - 3 = 30657

8130 * 5 + 72:24 = 40650 + 3 = 40653

1) 6800-1648:8+78*4=6906

1. 1648:8=206

2. 78*4=312

3. 6800-306=6594

4. 6594+312=6906

2) 31100 - (4180*3+236*8) = 16572

1. 4180*3=12540

2. 236*8=1888

3. 12540+1888=14428

4. 31100-14428=16572

3) 5110*6-99:33=30657

1. 5110*6=30660

2. 99:33=3

3. 30660-3=30657

4) 8130*5+72:24=40653

1. 8130*5=40650

2. 72:24=3

3. 40650+3=40653