Математика 6-й клас


Самостійна робота № 20


Завдання для учня
Розкрийте дужки
Для вчителя (відповіді для перевірки)
Variant 1
12(10m+9n+18k)=
-10(20x-13y+18z)=
-9(17x+9y-19z)=
9(15a+14b-19c)=
-12(8x-11y+20z)=
-13(8m+12n+7k)=
-7(7x+19y+7z)=
-6(14x-19y-11z)=
-18(6x-15y+18z)=
-7(13x-18y-7z)=
10(20m+7n+8k)=
-19(16m+11n+7k)=
Variant 2
-16(11x-13y+18z)=
-14(12a+6b+18c)=
18(6a+7b+10c)=
-9(18m+9n+14k)=
-9(9x-17y+8z)=
9(20m-15n-9k)=
-11(13a-19b+20c)=
12(19x+13y-12z)=
14(14m+13n+19k)=
13(17x+8y+6z)=
16(15a-7b-9c)=
16(7a+16b-16c)=
Variant 3
18(16a-12b+17c)=
8(19m-16n-20k)=
-18(13m+14n+15k)=
-12(12m+15n-10k)=
19(19m+20n-9k)=
16(14x+14y-16z)=
11(9a+12b+12c)=
14(16m+6n+19k)=
-9(8x-18y-8z)=
-14(14x+19y+18z)=
-9(17a+6b+16c)=
-13(10x+6y-20z)=
Variant 4
-7(8m+9n+9k)=
16(19x-14y-13z)=
12(19a-15b+10c)=
13(10a-7b-9c)=
7(6x-13y-15z)=
-6(8m+7n+6k)=
-17(8m-13n-8k)=
-10(17a+9b+18c)=
-9(6x+11y+15z)=
18(16m+19n-15k)=
12(18a-19b-11c)=
10(6a+19b-10c)=

Variant 5
16(15a+15b+15c)=
12(9x-9y+17z)=
7(14x-14y-14z)=
-17(20a+18b+19c)=
8(15m+15n+8k)=
11(19a-17b+7c)=
13(10x+8y-18z)=
-14(8m-8n+7k)=
-11(7x-19y-18z)=
-18(6m-17n-17k)=
-20(10x+19y+15z)=
-18(20x-13y-17z)=
Variant 6
9(12a-14b+14c)=
-10(12a+15b+18c)=
8(13x+19y-17z)=
-14(7a-16b+11c)=
8(11x+8y-8z)=
-14(19a-15b+14c)=
-13(18x+16y+12z)=
15(13a-15b+15c)=
-11(17m+12n+14k)=
-10(14a-12b+18c)=
16(18x-18y+20z)=
-11(6x+15y+9z)=
Variant 7
14(11x-8y+16z)=
-14(17a-16b-10c)=
-13(18a+16b+14c)=
-9(6a+20b+6c)=
-7(9a-10b-10c)=
20(10a-8b+10c)=
13(16x+12y-15z)=
-13(13m+6n-18k)=
19(14x-19y-13z)=
13(12x+20y-12z)=
-20(7x-18y-7z)=
18(8a-7b-8c)=
Variant 8
19(15m+13n+13k)=
-18(13a-6b+14c)=
-7(8x+8y-13z)=
-10(15x+15y-11z)=
7(17m+8n+8k)=
14(10x+9y+13z)=
-7(14x-15y-18z)=
16(6a+14b-18c)=
-10(6x+17y-7z)=
-16(12m-15n-13k)=
-15(13m-16n+17k)=
7(15m-9n-13k)=
Variant 9

9(17x+12y+15z)=
16(8x-16y+10z)=
14(20x+8y+16z)=
-18(9x+6y-20z)=
-14(6x+16y-17z)=
-9(19m+8n+15k)=
6(12a+14b+16c)=
-16(10x+18y-13z)=
18(7m-10n+18k)=
-9(6m+18n+10k)=
14(20m+20n-15k)=
-17(15a-19b+11c)=
Variant 10
-13(15x+13y-11z)=
-19(14m-6n+11k)=
-10(11x+6y+9z)=
20(9a+16b-12c)=
-12(20x-9y-17z)=
17(20x+11y-8z)=
-12(7m+6n-18k)=
-17(7m+17n+8k)=
18(10m-9n+9k)=
-20(15m-12n+7k)=
-18(18x-16y-11z)=
11(8x-9y-6z)=
Variant 1
12(10m+9n+18k)=    +120m+108n+216k
-10(20x-13y+18z)=    -200x+130y-180z
-9(17x+9y-19z)=    -153x-81y+171z
9(15a+14b-19c)=    +135a+126b-171c
-12(8x-11y+20z)=    -96x+132y-240z
-13(8m+12n+7k)=    -104m-156n-91k
-7(7x+19y+7z)=    -49x-133y-49z
-6(14x-19y-11z)=    -84x+114y+66z
-18(6x-15y+18z)=    -108x+270y-324z
-7(13x-18y-7z)=    -91x+126y+49z
10(20m+7n+8k)=    +200m+70n+80k
-19(16m+11n+7k)=    -304m-209n-133k
Variant 2
-16(11x-13y+18z)=    -176x+208y-288z
-14(12a+6b+18c)=    -168a-84b-252c
18(6a+7b+10c)=    +108a+126b+180c
-9(18m+9n+14k)=    -162m-81n-126k
-9(9x-17y+8z)=    -81x+153y-72z
9(20m-15n-9k)=    +180m-135n-81k
-11(13a-19b+20c)=    -143a+209b-220c
12(19x+13y-12z)=    +228x+156y-144z
14(14m+13n+19k)=    +196m+182n+266k
13(17x+8y+6z)=    +221x+104y+78z
16(15a-7b-9c)=    +240a-112b-144c
16(7a+16b-16c)=    +112a+256b-256c
Variant 3
18(16a-12b+17c)=    +288a-216b+306c
8(19m-16n-20k)=    +152m-128n-160k
-18(13m+14n+15k)=    -234m-252n-270k
-12(12m+15n-10k)=    -144m-180n+120k
19(19m+20n-9k)=    +361m+380n-171k
16(14x+14y-16z)=    +224x+224y-256z
11(9a+12b+12c)=    +99a+132b+132c
14(16m+6n+19k)=    +224m+84n+266k
-9(8x-18y-8z)=    -72x+162y+72z
-14(14x+19y+18z)=    -196x-266y-252z
-9(17a+6b+16c)=    -153a-54b-144c
-13(10x+6y-20z)=    -130x-78y+260z
Variant 4
-7(8m+9n+9k)=    -56m-63n-63k
16(19x-14y-13z)=    +304x-224y-208z
12(19a-15b+10c)=    +228a-180b+120c
13(10a-7b-9c)=    +130a-91b-117c
7(6x-13y-15z)=    +42x-91y-105z
-6(8m+7n+6k)=    -48m-42n-36k
-17(8m-13n-8k)=    -136m+221n+136k
-10(17a+9b+18c)=    -170a-90b-180c
-9(6x+11y+15z)=    -54x-99y-135z
18(16m+19n-15k)=    +288m+342n-270k
12(18a-19b-11c)=    +216a-228b-132c
10(6a+19b-10c)=    +60a+190b-100c
 
Variant 5
16(15a+15b+15c)=    +240a+240b+240c
12(9x-9y+17z)=    +108x-108y+204z
7(14x-14y-14z)=    +98x-98y-98z
-17(20a+18b+19c)=    -340a-306b-323c
8(15m+15n+8k)=    +120m+120n+64k
11(19a-17b+7c)=    +209a-187b+77c
13(10x+8y-18z)=    +130x+104y-234z
-14(8m-8n+7k)=    -112m+112n-98k
-11(7x-19y-18z)=    -77x+209y+198z
-18(6m-17n-17k)=    -108m+306n+306k
-20(10x+19y+15z)=    -200x-380y-300z
-18(20x-13y-17z)=    -360x+234y+306z
 
Variant 6
9(12a-14b+14c)=    +108a-126b+126c
-10(12a+15b+18c)=    -120a-150b-180c
8(13x+19y-17z)=    +104x+152y-136z
-14(7a-16b+11c)=    -98a+224b-154c
8(11x+8y-8z)=    +88x+64y-64z
-14(19a-15b+14c)=    -266a+210b-196c
-13(18x+16y+12z)=    -234x-208y-156z
15(13a-15b+15c)=    +195a-225b+225c
-11(17m+12n+14k)=    -187m-132n-154k
-10(14a-12b+18c)=    -140a+120b-180c
16(18x-18y+20z)=    +288x-288y+320z
-11(6x+15y+9z)=    -66x-165y-99z
 
Variant 7
14(11x-8y+16z)=    +154x-112y+224z
-14(17a-16b-10c)=    -238a+224b+140c
-13(18a+16b+14c)=    -234a-208b-182c
-9(6a+20b+6c)=    -54a-180b-54c
-7(9a-10b-10c)=    -63a+70b+70c
20(10a-8b+10c)=    +200a-160b+200c
13(16x+12y-15z)=    +208x+156y-195z
-13(13m+6n-18k)=    -169m-78n+234k
19(14x-19y-13z)=    +266x-361y-247z
13(12x+20y-12z)=    +156x+260y-156z
-20(7x-18y-7z)=    -140x+360y+140z
18(8a-7b-8c)=    +144a-126b-144c
Variant 8
19(15m+13n+13k)=    +285m+247n+247k
-18(13a-6b+14c)=    -234a+108b-252c
-7(8x+8y-13z)=    -56x-56y+91z
-10(15x+15y-11z)=    -150x-150y+110z
7(17m+8n+8k)=    +119m+56n+56k
14(10x+9y+13z)=    +140x+126y+182z
-7(14x-15y-18z)=    -98x+105y+126z
16(6a+14b-18c)=    +96a+224b-288c
-10(6x+17y-7z)=    -60x-170y+70z
-16(12m-15n-13k)=    -192m+240n+208k
-15(13m-16n+17k)=    -195m+240n-255k
7(15m-9n-13k)=    +105m-63n-91k
Variant 9
9(17x+12y+15z)=    +153x+108y+135z
16(8x-16y+10z)=    +128x-256y+160z
14(20x+8y+16z)=    +280x+112y+224z
-18(9x+6y-20z)=    -162x-108y+360z
-14(6x+16y-17z)=    -84x-224y+238z
-9(19m+8n+15k)=    -171m-72n-135k
6(12a+14b+16c)=    +72a+84b+96c
-16(10x+18y-13z)=    -160x-288y+208z
18(7m-10n+18k)=    +126m-180n+324k
-9(6m+18n+10k)=    -54m-162n-90k
14(20m+20n-15k)=    +280m+280n-210k
-17(15a-19b+11c)=    -255a+323b-187c
 
Variant 10
-13(15x+13y-11z)=    -195x-169y+143z
-19(14m-6n+11k)=    -266m+114n-209k
-10(11x+6y+9z)=    -110x-60y-90z
20(9a+16b-12c)=    +180a+320b-240c
-12(20x-9y-17z)=    -240x+108y+204z
17(20x+11y-8z)=    +340x+187y-136z
-12(7m+6n-18k)=    -84m-72n+216k
-17(7m+17n+8k)=    -119m-289n-136k
18(10m-9n+9k)=    +180m-162n+162k
-20(15m-12n+7k)=    -300m+240n-140k
-18(18x-16y-11z)=    -324x+288y+198z
11(8x-9y-6z)=    +88x-99y-66z



 
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