三升四暑假作业:小数加法和加减法简便计算,附答案

0.12+(6.12+1.88)=8.128.75+3.52+0.25=12.529.61+4.84+2.16=16.610.15+8.94+0.85=9.945.62+10.99+7.01=23.6216.52+(0.42+2.48)=19.429.82+3.85+10.15=23.825.51+4.15+8.49=18.151.34+(4.48+4.66)=10.488.36+1.85+3.15=13.360.74+(2.04+2.26)=5.040.66+2.79+7.34=10.796.37+6.88+9.12=22.370....