三年级脱式计算题答案2089-25×13 3.2+45.5+29.6
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 06:44:49
x){-w-Ѳ>_7NyRtCc`gmbgmdgfTO0L/P
cah$hn
xf&
`&&zz&s
XF 1A0#n34B&`#Vckk3Fr; pʲ
三年级脱式计算题答案2089-25×13 3.2+45.5+29.6
三年级脱式计算题答案
2089-25×13 3.2+45.5+29.6
三年级脱式计算题答案2089-25×13 3.2+45.5+29.6
2089-25×13
=2089-25x3-25x10
=2089-75-250
=2014-250
=1764
3.2+45.5+29.6
=48.7+30-0.4
=78.7-0.4
=78.3
2089-25×13
=2089-25x12-25
=2089-25x4x3-25
=2089-300-25
=1789-25
=1764
3.2+45.5+29.6
=3+45.5+29.8
=48.5+30-0.2
=78.5-1.2
=78.3