1)900
50
400
10
400
78100
176000
2)6000
14000
874000
405000
<span>1732+(-593)+293=1732-593+293=2025-593=1432
</span><span>48+152+(-52)=48+152-52=200-52=148
</span><span>333+(-273)+(-333)=333-273-333=-273
</span><span>52,7+(-83,7)+47,3=52,7-83,7+47,3=100-83,7=16.3
</span><span>-19,15+(-8,4)+(-3,6)=-19,15-8,4-3,6=-(19,15+8,4+3,6)=-31.15</span>