64 X 35(1) + (4)106 x 402(2) -(5) 128:64(3)
(8000-3988)(1) x (2)105 -(5)945 : (3)5 x (4)100
46839- (4) (322060- (2)64 x(1) 150):(3) 20
(753x(1)486 -(3) 82 x (2)105 - (4)37048) :(5) 100
(12460 +(2) 760 x (1)112 ) ; (3)41 -(4)1791
(34(1) x 28 -(2) 952) x (4)161829 + (5)5463 x(3) 60
2240 +42612 -2
43260(4012x 105) - 18900
46839 - 15623(322060 - 9600 : 20)
(365958-8610-37048) ; 100
(12460 + 85120);41 - 1791
(952 - 952)x 161829 +32778
44850
24300
31216
320300
589
32778
15,281+16,489-9,035=22,735кг=22кг 735г
-10y-64=-6y, -10y+6y=64, -4y=64, y= 64÷(-4), y=-16.
16m-5=15m-10, 16m-15m=-10+5, 1m=-5, m=-5÷1, m=-5.
40-12x=20-11x, -12x+11x=20-40, -1x=-20, x=-20÷(-1), x=20.
25-9y=5y+11, -9y-5y=11-25, -14y=-14, y=-14÷(-14), y=1.
9m-8=6m+7, 9m-6m=7+8, 3m=15, m=15÷3, m=5.
8-5n=10-4n, -5n+4n=10-8, -1n=2, n=2÷(-1), n=-2.
5n-16=3n, 5n-3n=16, 2n=16, n=16÷2, n=8.
63-8n=n, -8n-n=-63, -9n=-63, n=-63÷(-9), n=7.
6x+10=5x+15, 6x-5x=15-10, 1x=5, x=5÷1, x=5.
18=3y+3, 3y=18-3, 3y=15, y=15÷3, y=5.
25=5y-5, 5y=25+5, 5y=30, y=30÷5, y=6.
28-9m=-8-10m, -9m+10m=-8-28, 1m=-36, m=-36÷1, m=-36
5*13+8*13= (5+8)*13= 13*13=169
12*6-6*6= (12-6)*6=6*6= 36
9*16+7*16=(7+9)*16=256
18*11-7*11= (18-7)*11=121