0.27×9.9+0.027简算

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/27 20:52:16
0.27×9.9+0.027简算

0.27×9.9+0.027简算
0.27×9.9+0.027简算

0.27×9.9+0.027简算
0.27×9.9+0.027
=0.27×9.9+0.27×0.1
=0.27×(9.9+0.1)
=0.27×10
=2.7

0.27×9.9+0.027
=0.27×(9.9+0.1)
=0.27×10
=2.7

0.027x0.99+0.027

0.027(99+1)

=0.27*9.9+0.27*0.1=0.27*(9.9+0.1)=2.7

=0.27×9.9+0.27×0.1
=0.27×(9.9+0.1)
=0.27×10
=2.7

等于0.027乘以99加上0.027乘以1,用乘法分配率得,0.027乘以100,最后等于2.7