二年级数学上册《口算练习题144道》汇总,赶紧收藏!

二年级数学上册《口算练习题144道》汇总,赶紧收藏!


简介:
8.63-8.04=0.59 0.66+8.72+5.34=14.72 2.79+4.31=7.1 9.94+(6.06+6.98)=22.98 5.33-1.12=4.21 13.52+(4.25+5.48)=23.25 4.03+6.26=10.29 7.08+2.89+16.11=26.08 5.47+9.62=15.09 8.47+5.49+12.51=26.47 8.39-8.26=0.13 1.63+(5.42+9.37)=16.42 4.93-3.41=1.52 9.4+3.27+12.73=25.4 8.57-1.01=7.56 1.54+0.11+0.46=2.11 4.24+6.2=10.44 15.77+(0.23+7.15)=23.15