1.(3x10^-6)^2÷(10^-3)^4 2.4-(-2)^-2÷3^2÷(-3)^0 计算,.(3x10^-6)^2÷(10^-3)^44-(-2)^-2÷3^2÷(-3)^0快快快22点前有效

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 12:19:23
1.(3x10^-6)^2÷(10^-3)^4 2.4-(-2)^-2÷3^2÷(-3)^0 计算,.(3x10^-6)^2÷(10^-3)^44-(-2)^-2÷3^2÷(-3)^0快快快22点前有效
x͑1 01Ә=JA Eg8IgUz4IQ$罾ˋJc"nB"Kp"  22㸿'*/p~[޶M& 9n,Mcץw ̮m^v *_3@Rپ4cw;l| E^)cTݼȌuYX" \/& zoGxg

1.(3x10^-6)^2÷(10^-3)^4 2.4-(-2)^-2÷3^2÷(-3)^0 计算,.(3x10^-6)^2÷(10^-3)^44-(-2)^-2÷3^2÷(-3)^0快快快22点前有效
1.(3x10^-6)^2÷(10^-3)^4 2.4-(-2)^-2÷3^2÷(-3)^0 计算,
.(3x10^-6)^2÷(10^-3)^4
4-(-2)^-2÷3^2÷(-3)^0
快快快22点前有效

1.(3x10^-6)^2÷(10^-3)^4 2.4-(-2)^-2÷3^2÷(-3)^0 计算,.(3x10^-6)^2÷(10^-3)^44-(-2)^-2÷3^2÷(-3)^0快快快22点前有效
1.(3x10^-6)^2÷(10^-3)^4
=9/10^12/1/10^12
=9/10^12/10^12
=9/10^24
2.4-(-2)^-2÷3^2÷(-3)^0
=4-1/4/9
=4-1/36
=143/36
3.(3x10^-6)^2÷(10^-3)^4
=9/10^12/1/10^12
=9/10^24
4.4-(-2)^-2÷3^2÷(-3)^0
=4-1/4/9
=4-9/4
=7/4

1.(3x10^-6)^2÷(10^-3)^4
=(9×10^-12)÷(10^-12)
=9×10^0
=9
2.4-(-2)^-2÷3^2÷(-3)^0
=4-1/(-2)^2÷9÷1
=4-(1/4)×(1/9)
=4-1/36
=3又36分之35