5-sinf matematika

5-SINF MATEMATIKA
I variant
1)Amallarni bajaring : 204 65-38 (71-36)+419
2)Tenglamani ikki usulda yeching : 794+(y-165)=869
3) ifodani soddalshtiring : 109d+443+273d+279 , d=15 bo’lganda qiymatini toping
4)O’lchamlari 60sm, 40sm va 30sm bo’lgan to’g’ri burchali parallelepiped shaklidagi taxta bo’lagini bo’yash kerak, agar 1dm² yuzani bo’yash uchun 3g bo’yoq kerak bo’lsa, parallelepiped sirtini bo’yash uchun qancha bo’yoq kerak bo’ladi ?
5)Uzunligi 20sm bo’lgan MN kesmada K va F nuqtalar belgilandi Agar MK=15sm FN =13 sm bo’lsa FK kesma uzunlugini toping.

II variant

1) Amallarni bajaring : (547 4333) 35-205 70 5;
2) Tenglamani ikki usulda yeching : 542-(y-307)=148
3) Ifodani soddalshtiring : 1786-903+430q+453q , q=10 ganda qiymatini toping
4) To’g’ri burchakli paralilipeped shaklidagi bo’yi 21m eni 13m va chuqurligi 3m bo’lgan o’ra qazish kerak .buning uchun qancha hajimda turpoq qazib chiqarish kerak ?
5) Uchta kesmaning uzinliklari yig’indisi 243sm birinchi kesma uzunligi  sm bo’lib ikkinchi kesmadan 13sm ga uzun ,uchinchi kesmadan 65sm ga qisqa birinchi kesmaning uzunligini toping.