4.44×0.25的简便运算是什么
来源:学生作业帮助网 编辑:作业帮 时间:2024/03/28 18:17:57
18.84*0.25+16/4=18.84*0.25+16*0.25=(18.84+16)*0.25=34.84*0.25=8.71*4*0.25=8.41*(4*0.25)=8.71*1=8.71
把除法换作乘法,0.25=1/4,所以3.6÷0.25=3.6÷(1/4)=3.6X4=14.4
等于20乘2.5+0.25-0.25等于50再答:请采纳再问:用数字再答:等于20x2.5+0.25-0.25等于50再问:脱式再答:4.75加0.25等于5再问:简便运算再问:不简便再答:这就不简便
0.25*39+0.75*27=0.25*3(13+27)=0.25*3*4*10=1*30=30
(0.25+0.125)/(0.75×0.4)=(0.125×2+0.125)/(0.125×2×3×0.4)=[0.125×(2+1)]/(0.125×2×3×0.4)=(2+1)/(2×3×0.4
4,把小数化分数就可以了再问:过程再答:再问:这样够简便吗再问:我要最简便的再答:够简便了
3.95×999=3.95(1000-1)=3.95*1000-3.95=3950-3.95=3946.05
0.25=1/41.36/0.25=1.36/(1/4)=1.36X4=5.44
12÷0.25=(12×4)÷(0.25×4)=48÷1=48
15÷0.25=(15×4)÷(0.25×4)=60÷1=60
0.25*0.5/0.25*8.2=0.5*8.2=4.1
把0.25抵消.0.25*4/0.25*4=4*4=16
0.8÷0.25=4×0.8÷4×0.25=3.2×1=3.2
1\0.25*(1.28\0.8)=1.28÷(0.25×0.8)=1.28÷0.1=12.8再问:0.25x0.8算错了再答:马虎了:1\0.25*(1.28\0.8)=1.28÷(0.25×0.8
0.25*32*1.25=1/4*32*10/8=10
23.14*75+2314*0.25=23.14*75+23.14*25=23.14*(75+25)=23.14*100=2314
76/0.25=76×1÷0.25=76×4=304不懂可追问,有帮助请采纳,谢谢!
11.4×0.25+0.86×2.5=11.4×0.25+8.6×0.25=(11.4+8.6)×0.25=20×0.25=5
5.4/0.25=(5+0.4)/(1/4)=5/(1/4)+0.4/(1/4)=20+1.6=21.6
再问:不是再问:不是再问:是下面一题哦找规律运算再答:好你先采纳我发给你再问:哦再问:???再答:好难啊再答:我只会最后一道再问:哦再问:那你发把嘿嘿再答: 再问:哦