-4m+(2m-1 1/3m)+0,5m=-4m+2m-1 1/3m+1/2m=-3 2/6m+3/6m=
=-2 8/6m+3/6m=-2 5/6 m
76000+72*10-350*2=76020
240:60*100000+60000-1=459999
180000:10000*9+23000=23162
(675000+999+1):100=6760
(90000-1)-9000:10=89099
245950-450*2-25*2=245000
180:6+250*4+10000+2=10278
95*5+200000:1000-194:2=578
маори
(12y-5y):14=21
(12y-5y)=21×14
12y-5y=294
7y=294
y=294:7
y=42.