<span>30℅ от 48=48*0,3=14,4
24℅ от 150=150*0,24=36</span>
1) 78:13=6 2)54+33=87 3)96:2=48 4)48:12=4. 5)15*6=90. 6)90+4=94. 7)94-87=7
А) 30142 + z = 49*876
30142 + z = 42924
z = 42924 - 30142
z = 12782
б) 51815:(p-975) = 1205
p-975 = 51815:1205
p-975 = 43
p = 43 + 975
p = 1018
в) 13x + 15x - 24 = 60
28x = 60 + 24
28x = 84
x = 84:28
x = 3
г) 18y - 7y - 10 = 12
11y = 10 + 12
11y = 22
y = 22:11
y = 2