简便算:0.25+5.2+9.75+84.8 (2)8/1.6+8.4*2.7 (3)16.2/1.5*0.24

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 13:45:29
简便算:0.25+5.2+9.75+84.8 (2)8/1.6+8.4*2.7 (3)16.2/1.5*0.24

简便算:0.25+5.2+9.75+84.8 (2)8/1.6+8.4*2.7 (3)16.2/1.5*0.24
简便算:0.25+5.2+9.75+84.8 (2)8/1.6+8.4*2.7 (3)16.2/1.5*0.24

简便算:0.25+5.2+9.75+84.8 (2)8/1.6+8.4*2.7 (3)16.2/1.5*0.24
0.25+5.2+9.75+84.8
=0.25+9.75+84.8+5.2
=10+90
=100
(2)8/1.6+8.4*2.7
=80/16+22.68
=5+22.68
=27.68
(3)16.2/1.5*0.24
=32.2*0.24/3
=32.2*0.08
=2.576