|, (1) ||,(2) |||,(3) |√(4) , ✓(5), ✓|(6), ✓||(7), ✓|||(8), |x(9), x(10)
а) (79357+2848)+5152 = 79357+(2848+5152) = 79357+8000=87357
б) (54271+39999)+10001= 54271+(39999+10001) = 54271+50000=104271
в) 19999+(4801+15200)=(19999+4801)+15200=2480+15200=40000
г) 18356+(1644+2135)=(18356+1644)+2135=20000+2135=22135
16,48:1,6+0,8×9,1-5,8×0,1= 17
1) 16,48:1,6=10,3
2) 0,8*9,1=7,28
3) 5,8*0,1=0,58
4) 10,3+7,28=17,58
5) 17,58-0,58=17