北师版小学数学五年级下册口算题卡全册可打印
5+72-3=105=1214-5=629- =31+16 =81 2+ =5 93 3- =8 8 2+9=3 1+0=3 3+16 =8 3 1+ =8 2 1 2+ =4 5 12-24-5=6