2.4*2.5*3.7的简便
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/22 23:28:03
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
2.4÷2.5÷0.4=2.4÷(2.5×0.4)=2.4÷1=2.4
1*2.4-0.01*2.4=2.4-0.024=2.376
2.5×1.25×32-3.7-56.3=2.5×4×(1.25×8)-(3.7+56.3)=10×10-60=100-60=40
36.72/2.4+100=36/2.4+0.72/2.4+100=15+0.3+100=115.3
2.4/0.5=2.4*2=4.8再问:我打错了是2.4/0.25的简便再答:2.4/0.25=2.4*4=9.6
再答:给个釆纳,新年快乐再问:祝你新年快乐
6.4-(2.75+2.4)-0.25=6.4-2.75-2.4-0.25=(6.4-2.4)-(2.75+0.25)=4-3=1再问:35×(1-3/7)÷5/12简便方法和229+378÷18+7
37.6-12÷2.4=37.6-120÷24=37.6-5=32.63.9×1.4÷0.35=3.9×140÷35=3.9×4=15.619.44÷2.5÷0.4=19.44÷(2.5x0.4)=1
1.25×2.4=1.25×8×0.3=10×0.3=3
9.08*(2-0.2)-3.7=18.16-1.816-3.7=12.644
3.7×101.1-3.7=3.7(101.1-1)=3.7×100.1=3.7×(100+0.1)=3.7×100+3.7×0.1=370+0.37=370.37
3.7×0.44×2.5=3.7×(4×0.11)×2.5=3.7×0.11×(4×2.5)=0.407×10=4.07小警告:不用写解,又不是方程.
12.644
原式=(3-0.44)×(4-0.3)=12-0.9-1.76+0.132=9.472
(4.75+3.25)*(2.4+7.6)
2.4*1.2=1.2*1.2*2=1.44*2=2.88
化简(17.85-7.85)/2.5=4结果为4
0.24×1.9+2.4×0.81=2.4*0.19+2.4*0.81=2.4*(0.19+0.81)=2.4*1=2.4