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19.09.2022

19.09.2022

Վարժ.60

Հաշվի՝ր արտահայտության արժեքը:

Ա) 32406-2235:5=31959

1.2235:5=447

2.32406-447=31959

30184-7025:5+9683=  39722

1.7025:5=145

2.30184-145=30039

3.30039+9683=39722

42588:7-205×6+960:3=5174

1.42588:7=684

2.205×6=1230

3.960:3=320

4.6084-1230=4854

5.4854+320=5174

Բ) 2539+724×7=7607

1.724×7=5068

2.2539+5068=7607

25300-7000:8+3494=27919

1.7000:8=875

2.25300-875=24425

3.24425+3494=27919

4078×7-204:6+777:3=28839

1.4078×7=28571

2.204:6=34

3.777:3=259

4.28546-34=28212

5.28212+259=28471

Վարժ.61

Հաշվի՝ր արտահայության արժեքը, եթե a=525:

Ա) 525×4-2640:3=1220

1.525×4=2100

2.2640:3=880

3.2100-880=1220

525:3+525×5-2800=

1.525:3=175

2.525×5=2625

3.2625+175=2800

4.2800-2800=0

Բ) 7×525-4068:9=3223

1.7×525=3675

2.4068:9=452

3.3675-452=3223

7×525+525:5-3780=0

1.7×525=3675

2.525:5=105

3.3675+105=3780

4.3780-3780=0

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