0.87×2.3+8.7×77简便运算怎么简便运算那?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 05:24:15
0.87×2.3+8.7×77简便运算怎么简便运算那?
x)3г0?~`8Pj-B277@x$}Y(037Գ40/.H̳:!RCt9 V#lH

0.87×2.3+8.7×77简便运算怎么简便运算那?
0.87×2.3+8.7×77简便运算
怎么简便运算那?

0.87×2.3+8.7×77简便运算怎么简便运算那?
0.87×2.3+8.7×77
=0.87×2.3+0.87×770
=0.87×(2.3+770)
=0.87×772.3
=671.901

0.87×2.3+8.7×77
=0.87×2.3+0.87×10×77
=0.87×(2.3+10×77)
=0.87×772.3