Запишите в виде неравенств неравенства с модулем неравенства:
1)х+8>10 и х+8<-10
2)0,7-х>1/2 и 0,7-х<-1/2
3)20 целых 4/7-3х<-1 и 20 целых 4/7-3х>1
4)89-7 целых 3/4х<-0,17 и 89-7 целых 3/4х>0,17
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