四年级数学暑假《口算练习题60道》,假期练一练!

四年级数学暑假《口算练习题60道》,假期练一练!


简介:
8.76+17.32-3.32=22.76 3.81+6.88-5.88=4.81 12.86+2.21-4.86=10.21 14.3+7.75-4.3=17.75 6.81+11.39-5.39=12.81 7.63+19.27-1.27=25.63 8.45+7.42-4.45=11.42 5.67+9.05-3.05=11.67 2.56+17.85-0.85=19.56 20.55+9.06-1.55=28.06 17.13+5.68-13.13=9.68 9.31+17.6-0.6=26.31 16.08+5.92-3.08=18.92 8.84+11.61-2.61=17.84 9.99+20.79-0.79=29.99 8.68+20.04-6.04=22.68