三升四数学暑假《口算练习40题》汇总

三升四数学暑假《口算练习40题》汇总


简介:
8.98+14.81-8.81=14.98 4.01+20.35-10.35=14.01 16.84+2.16-2.84=16.16 7.89+14.61-6.61=15.89 3.58+13.04-10.04=6.58 9.49+16.21-2.21=23.49 5.52+19.25-9.25=15.52 16.03+10.59-3.03=23.59 2.78+8.18-2.18=8.78 20.92+3.83-7.92=16.83 12.28+9.36-11.28=10.36 8.27+15.27-5.27=18.27 6.99+12.78-10.78=8.99 20.63+5.52-19.63=6.52