1)1200*0.19=228
2) 5050*0.4=2020
3)4420*0.35=1547
843524-(197393-196847)*274:4=806123
1)197393-196847=546
2) 546*274=149604
3) 149604:4=37401
4)843524-37401=806123
(101200-100517) ×111+896*236-85997=125459
1)101200-100517=683
2) 683×111=75813
3) 896*236=211456
4) 75813+683=76496
5)211456-85997=125459
74-(y+35)=26
74-y-35=26
Y=26+35-74
Y=-13
А) 13/2 + 18/5 = 65/10 + 36/10 = 101/10 = 10,1
б) 16/5 - 13/10 = 32/10 - 13/10 = 19/10 = 1,9
в) 13/6 × 2/3 = 13/9 = 1 4/9
г) 25/8 × 16/5 = 5/1 × 2/1 = 10
д) 2/3 + 1/5 = 10/15 + 3/15 =13/15 ; 13/15 × 5/8 = 13/3 × 1/8 = 13/24; 8/1 - 13/24 = 192/24 - 13/24 = 179/24 = 7 11/24.