四年级数学下册《口算练习题》,收藏测试!

四年级数学下册《口算练习题》,收藏测试!


简介:
8.8-1.72=7.08 4.47+2.03=6.5 3.59+2.45=6.04 9.31+7.47=16.78 2.12+8.24=10.36 4.33+5.52=9.85 7.22-2.24=4.98 7.33-3.93=3.4 2.34+2.17=4.51 9.09+1.83=10.92 8.07-6.34=1.73 5.92+3.12=9.04 5.99+5.52=11.51 4.9-1.87=3.03 6.37+1.52=7.89 1.16+2.62=3.78 3.38-2.92=0.46 6.89+9.54=16.43 1.57+7.96=9.53 9.09+7.64=16.73 6.68-2.54=4.14