Răspuns:
1)
a = [96 +70 x 100:( 19 x 2 + 395:79 + 243: 9)+4] :
(1000 - 999 )
a=[96+7000:(38+5+27)+4]:1
a=(96+7000:70+4):1
a=(96+100+4):1
a=200:1
a=200
b= 4195 - 4 x [2002 - (2002 - 2002 : 2 + 2002
:1001)]
b=4195-4x[2002-(2002-1001+2)]
b=4195-4x[2002-(1001+2)]
b=4195-4x(2002-1004)
b=4195-4x999
b=4195-3996
b=199
a:b
200:199=1 rest 1
2)
{900-[(x:5+124x5x3:10):5+364]}-200x2x2:8=365
{900-[(x:5+620x3:10):5+364)]-400x2:8=365
{900-[(x:5+1860:10):5+364]}-800:8=365
{900-[(x:5+186):5+364]}-100=365
{900-[(x:5+186):5+364]}=365+100
900-[(x:5+186):5+364]=465
[(x:5+186):5+364]=900-465
(x:5+186):5+364=435
(x:5+186):5=435-364
(x:5+186):5=71
(x:5+186)=71x5
x:5+186=355
x:5=355-186
x:5=169
x=169x5
x=845
3)
99720:9+81909:9=(99720+81909):9
11080+9101=181629:9
20181=20181
(A)
