0.485乘102减48.5等于? (简便计算)
来源:百度知道 编辑:UC知道 时间:2024/06/06 19:33:35
好期待答案的~~~
0.485*102-48.5
=48.5*1.02-48.5
=48.5*(1.02-1)
=48.5*0.02
=0.97
0.97
顺便给你讲个秘密
打开你的电脑 按左下方开始 里面有个附件
把鼠标拖到上面去 计算器 就会浮出来~~~
0.485×102-48.5
=48.5×1.02-48.5
=48.5×(1.02-1)
=48.5× 0.02
=0.97
0.485*102-48.5=0.485*(100+2)-48.5=0.485*100
+0.485*2-48.5=0.97
0.485*102-48.5
=0.485*(100+2)-48.5
=48.5+0.485*2-48.5
=0.485*2
=0.97