amoxsna:

a) 72 • 11 = (70 + 2) • 11 =

= 70 • 11 + 2 • 11 = 770 + 22 = 792

b) 68 • 9 = (70 – 2) • 9 =

= 70 • 9 – 2 • 9 = 630 – 18 = 612.

g) 358 • 63 + 41 • 63 + 21 • 63 =

= 63 (338 + 41 + 21) =

= 63 (338 + 62) =

= 63 • 400 = 25200

d) 5a + 7a = (5 + 7)a = 12a

gamravlebis ganrigebadobis

kanoni

gamravlebis ganrigebadobis

kanoni wakiTxuli marjvnidan

marcxniv

a(b+c)=ab+ac e.i.

ab+ac=a(b+c)

savarjiSoebi:

1. Camoayalibe gamravlebis ganrigebadobis kanoni:

a. Sekrebis mimarT; b. gamoklebis mimarT.

2. mocemuli ricxvi gaamravles 7-ze. Semdeg igive ricxvi

gaamravles 18-ze da miRebuli namravlebi Sekribes. ramdenjer gadidda mocemuli ricxvi?

3. mocemuli ricxvi gazardes 25-jer, Semdeg igive ricxvi

gaadides 8-jer da pirvel namravls gamoakles meore

namravli. ramdenjer gadidda mocemuli ricxvi?

4. gamoiyene gamravlebis ganrigebadobis kanoni da rveulSi

Seasrule moqmedeba:

a. (25 + 22)•4;

b. (111 – 25)•8;

g. 98•76;

d. 15•82;

e. 36•78;

v. 52•17;

z. 5•39;

T. 9•102;

i. 7•59.

5. gaxseni frCxilebi:

a. 5(3x + 1);

b. 4(2x – 7);

g. 2(2a + b + c);

d. 3(a + 7 + y);

e. 2(y – 4);

v. 3(5a + b).

6. gamoTvale ioli xerxiT:

a. 217•137 + 217•63;

b. 545•187 – 45•187;

g. 178•135 + 22•135;

d. 55•14 – 32•14 – 23•14;

e. 125•13 + 97•13 + 22•13;

v. 527•178 + 54•178 + 19•178.

7. gaamartive gamosaxuleba:

a. 3x + 7x;

b. 4a – 2a;

g. 2a + 5a + 6a – 1;

d. 5x + 12x + 3x;

e. 92y – 71y;

v. 117a – 100a + 5.

a (b+c)=ab+ac

frCxilebis gaxsna

ac+bc=c(a+b)

mamravlis gatana

frCxilebs gareT

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