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能简算的要简算．0.75+1.8-2.0332.54-0.7-0.546.78+2.46+3.2214.25+4.72+5.75+5.286.27+3.5-6.27．
题目详情
能简算的要简算．
0.75+1.8-2.033
2.54-0.7-0.54
6.78+2.46+3.22
14.25+4.72+5.75+5.28
6.27+3.5-6.27．能简算的要简算．
0.75+1.8-2.033
2.54-0.7-0.54
6.78+2.46+3.22
14.25+4.72+5.75+5.28
6.27+3.5-6.27．
0.75+1.8-2.033
2.54-0.7-0.54
6.78+2.46+3.22
14.25+4.72+5.75+5.28
6.27+3.5-6.27．能简算的要简算．
0.75+1.8-2.033
2.54-0.7-0.54
6.78+2.46+3.22
14.25+4.72+5.75+5.28
6.27+3.5-6.27．
▼优质解答
答案和解析
①0.75+1.8-2.033
=2.55-2.033
=0.517
②2.54-0.7-0.54
=2.54-0.54-0.7
=2-0.7
=1.3
③6.78+2.46+3.22
=6.78+3.22+2.46
=10+2.46
=12.46
④14.25+4.72+5.75+5.28
=（14.25+5.75）+（4.72+5.28）
=20+10
=30
⑤6.27+3.5-6.27
=6.27-6.27+3.5
=0+3.5
=3.5
=2.55-2.033
=0.517
②2.54-0.7-0.54
=2.54-0.54-0.7
=2-0.7
=1.3
③6.78+2.46+3.22
=6.78+3.22+2.46
=10+2.46
=12.46
④14.25+4.72+5.75+5.28
=（14.25+5.75）+（4.72+5.28）
=20+10
=30
⑤6.27+3.5-6.27
=6.27-6.27+3.5
=0+3.5
=3.5
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