12345^2-12345×123456 9^3-9^2-8×9^2
1个回答
1、原式=12345×(12345-123456)
=-12345×111111
=-1371665295
2、原式=9×9²-(1+8)×9²
=9×9²-9×9²
=0
相关问题
123456×12345=?
12345²-12344×123456=
巧算12345×6789-123456×6788
12345+12345-12345×12345÷12345=?
1×9=912×9=108123×9=11071234×9=1110612345×9=______123456×9=__
算一算.7×2-2= 4×9+9= 3×8-3= 3×6+3= 7×4+4= 4×9-9= 5×8+8= 6×3-6=
11×9+1=22×9+2=33×9+3=____________ 4×8=404×8=40404×8=________
简便运算(2/9×3/4-1/12)×4 2/9×3/5+2/5×2/9 85×96-8/95
2.1×9= ()×9 3.21×9= ()×9= 4.321×9= .
计算:[123454321/12345×12345−12346×12344]=______