Posted in Մաթեմատիկա

Դասսրանային Աշխատանք

15.10.2015թ.

Պարապունք 25

Բազմպատկման Բաշխական օրենքը

Օրինակ՝

3×4=4+4+4=12

6×5=6+6+6+6+6=30

2×4=4+4=8

2x(1+3)=(1+3)+(1+3)=2×1+2×3=2+6=8

2×5=5+5=10

2x(6+7)=(6+7)+(6+7)=2×6+2×7=12+14=26

7x(11+26)=7×11+7×26=77+246=323

2x(125+100)=2×125+2×100=450

3x(100+41)=4×100+4×41=423

381×975+381×25=381x(975+25)=381.000

99×14+99×86=99x(14+86)=9900

181×18+181+80+181×2=181x(18+80+2)=18.100

329.

7×3+7×5+7×2=7x(3+5+2)=70

4×9+4×11+4×3=4x(11+9+3)=92

25×2+25×3+25×5=25x(2+3+5)=250

32×16+32×4+32×5=32x(4+5+16)=6560

330.

25=25×2+25×3

3×6+6×3=36

4×3+3×4=24

4×8+4×7=60

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