能简算的要简算:3.7X125%+1.25X2.7+3.6X125% 26.8-320%-6.8-680% 5.2-(60%+2.4*0.6)
答案:2 悬赏:60
解决时间 2021-03-24 13:48
- 提问者网友:优雅ぉ小姐
- 2021-03-23 14:04
能简算的要简算:3.7X125%+1.25X2.7+3.6X125% 26.8-320%-6.8-680% 5.2-(60%+2.4*0.6)
最佳答案
- 二级知识专家网友:留下所有热言
- 2021-03-23 15:05
3.7X125%+1.25X2.7+3.6X125%
=3.7*1.25+1.25*2.7+3.6*1.25
=1.25*(3.7+2.7+3.6)
=1.25*10
=12.5
26.8-320%-6.8-680%
=26.8-6.8-(320%+680%)
=20-10
=10
5.2-(60%+2.4*0.6)
=5.2-[0.6(1+2.4)]
=5.2-0.6*3.4
=5.2-2.04
=3.16
=3.7*1.25+1.25*2.7+3.6*1.25
=1.25*(3.7+2.7+3.6)
=1.25*10
=12.5
26.8-320%-6.8-680%
=26.8-6.8-(320%+680%)
=20-10
=10
5.2-(60%+2.4*0.6)
=5.2-[0.6(1+2.4)]
=5.2-0.6*3.4
=5.2-2.04
=3.16
全部回答
- 1楼网友:飘零作归宿
- 2021-03-23 15:45
3.7x125%+1.25x2.7+3.6x125%=3.7x1.25+1.25x2.7+3.6x1.25=1.25x(3.7+2.7+3.6)=12.5
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