4,58-(1,295 +1,936 :3 1/5)×1 16/19+3 5/51:
:(4 5/34-3 19/51)=4,999
1. 1,936 :3 1/5=1,936:3, 2=0,605
(3 1/5=3,2)
2. 1,295 +0,605=1,9
3. 1,9× 1 16/19=1 9/10× 1 16/19=19/10×35/19=
(1,9=1 9/10) =(19×35):(10×19)=7/2 (3,5)
4. 4,58 -3,5= 1,08
5. 4 5/34 - 3 19/51= 1 (7,5/51-19/51)= 1 -11,5/51=
=51/51-11,2/51=39,8 /51=0,78
6. 3 3/51:39,8/51=156/51: 39,8/51=
=(156×51):(51×39,8)=156/39,8=3,919
7. 1,08+3,919 =4,999
1) 6*10 + 63 = 123 кг торфа
2) (40 - 10) : 3 = 10 банок
3) 100 - (8*3) = 76 мест
4) (36 + 24) : 6 = 10 дней
5) (38 + 18) : 8 = 7 метров