O’tilgan mavzuni so’rash
Uyga vazifalarni tekshirish.
Mustaqil ish:
Yechilishi: 1) 2x= ; x= . 2)x=3;
3)1-8x=10 ; 8x=-9; x=-. 4)3x+1=5 3x=4 x= ;
5)2+x=0 x=- 2; 6)4x-3= -1 4x=2 x=0,5.
Yangi mavzuning bayoni
Yechilishi: 1)1+ -1= = 7 ; 2)1-0,2+1= - 0,2;
3) - +4=+4= 4 ; 4)0,5+ - 1= = .
Yechilishi: 1)9,3: 3,1=3; 2) 1,7*3*10= 51;
8,1*102*2= 1620; 4)6,4:(1,6*100)= 4:100= 0,04;
5)0,2+ 1,2*9* *(-4)= 0,2- 1,6= - 1,4;
6)0,3 - * 64** = 0,3- 0,4= -0,1.
Yechish: 1) ( ) -2=
( ) -3= 103=1000.
IV.Mustahkamlash.
Yechilishi: 1)5x-1=2 5x=3 x=0,6.
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