简便计算1.8x0.25+0.75
答案:2 悬赏:80 手机版
解决时间 2021-02-23 05:11
- 提问者网友：饥饿走向夜
- 2021-02-23 01:17
简便计算1.8x0.25+0.75
最佳答案
- 五星知识达人网友：迟山
- 2021-02-23 02:38
简便计算1.8x0.25+0.75
1.8x0.25+0.75
=0.45+0.75
=1.2
直接计算
1.8x0.25+0.75
=0.45+0.75
=1.2
直接计算
全部回答
- 1楼网友：雾月
- 2021-02-23 03:13
1.8x0.25+0.75
=1.8x0.25+0.25x3
=(1.8+3)x0.25
=4.8x0.25
=(5-0.2)x0.25
=5x0.25-0.2x0.25
=1.25-0.05
=1.2
1.8x0.25+0.75
=0.6x3x(1/4)+(3/4)
=0.6x(3/4)+(3/4)
=(0.6+1)x(3/4)
=1.6x(3/4)
=0.4x4x(3/4)
=0.4x3
=1.2
=1.8x0.25+0.25x3
=(1.8+3)x0.25
=4.8x0.25
=(5-0.2)x0.25
=5x0.25-0.2x0.25
=1.25-0.05
=1.2
1.8x0.25+0.75
=0.6x3x(1/4)+(3/4)
=0.6x(3/4)+(3/4)
=(0.6+1)x(3/4)
=1.6x(3/4)
=0.4x4x(3/4)
=0.4x3
=1.2
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