小学数学常考《口算练习题80道》,收藏练一练!

小学数学常考《口算练习题80道》,收藏练一练!


简介:
0.43+16.09-0.09 =16.43 19.61+6.31-5.61 =20.31 16.27+10.23-2.27 =24.23 15.26+9.71-5.26 =19.71 2.84+20.44-0.44 =22.84 8.1+14.68-0.68 =22.1 15.87+5.82-11.87 =9.82 4.02+16.52-8.52 =12.02 6.19+10.88-6.88 =10.19 3.85+19.35-1.35 =21.85 16.52+5.85-2.52 =19.85 6.34+20.77-3.77 =23.34 1.2+9.48-5.48 =5.2 20.94+5.32-2.94 =23.32 6.65+11.41-3.41 =14.65 4.08+19.93-6.93 =17.08