计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 00:49:08
计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=2×(1

计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=
计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=

计算:2×(18.5-3.15)+6.6÷(0.75-0.2)=
2×(18.5-3.15)+6.6÷(0.75-0.2)
=2×15.35+6.6÷0.55
=30.7+12
=42.7

解题 2×(18.5-3.15)+6.6÷(0.75-0.2)
=2×15.35+6.6÷0.55
=30.7+12
=42.7

答案是: 42.7

42.7

2×(18.5-3.15)+6.6÷(0.75-0.2)=
=2×18.5-2×3.15+6.6÷(0.75-0.2)
=2×18.5-6.6+6.6÷(0.75-0.2)
=2×18.5÷0.55
=42.7