10.1-10.1÷0.101
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/16 04:49:52
![10.1-10.1÷0.101](/uploads/image/f/49082-50-2.jpg?t=10.1-10.1%C3%B70.101)
10.1*0.99=(10+0.1)*(10-0.1)=100-0.01=99.99
10.1×27=(10+0.1)×27=10×27+0.1×27=270+2.7=272.7
9.9*10.1=9.9*(10+0.1)=99+0.99=99.99
1.01×99+10.1=10.1×9.9+10.1=10.1×(9.9+1)=10.1×10.9=(10+0.1)×10.9=109+1.09=110.09
=(10+0.1)*0.99=9.9+0.099=9.999再问:不够细致。再问:能再细致点么再答:=(10+0.1)*0.99=10*0.99+0.1*0.99=9.9+0.099=9.999再问:
10.1^2-10.1*2.2+1.21=10.1^2-2*10.1*1.1+1.1^2=(10.1-1.1)^2=9*9=81
4.5×10.1=4.5×(10+0.1)=4.5×10+4.5×0.1=45+0.45=45.450.125×25×32=0.125×25×8×4=(0.125×8)×(25×4)=1×100=10
6.3×10.1=6.3×(10+0.1)=6.3×10+6.3×0.1=63+0.63=63.63再问:7.3*9.9的简便计算再答:7.3×9.9=7.3×(10-0.1)=7.3×10-7.3×
99.9
(101*10.1-10.1)*10.1={10.1x(101-1)}x10.1=10.1x100x10.1=101x101=(100+1)x101=10100+101=10201
8.9÷10.1÷1.01+99×89=89÷10.1÷10.1+99×89=89×(1÷10.1²+99)
0.96/(4*2.5)=0.96/10=0.09610*8.7+0.1*8.7=87+0.87=87.87
1.56*10.1-15.6=1.56*(10+0.1)-1.56*10=1.56*10+1.56*0.1-1.56*10=1.56*0.1=0.156
原式=6.3*(10+0.1)=6.3*10+6.3*0.1=63+0.63=63.63
35*10.1=35*(10+0.1)=35*10+35*0.1=350+3.5=353.5
10.1-10.1÷0.101=10.1-10100÷101=10.1-100=-89.9
7.9×10.1÷1.01=7.999×79=(100-1)×79=100×79-79×1=7900-79=7821suoyi7821+7.9=7828.9
单位不同,不能画等号!
5.12*10+5.12*0.1=51.2+0.512=51.712