竖式二位数口算加减乘除

tgamedetail_ff_2-tgamedetail_ff_1:66.0

tgamedetail_ff_3-tgamedetail_ff_2:1.0

tgamedetail_ff_4-tgamedetail_ff_3:9.0

tgamedetail_ff_5-tgamedetail_ff_4:8.0

tgamedetail_ff_6-tgamedetail_ff_5:6.0

tgamedetail_ff_6-tgamedetail_ff_1:90.0

t10_2-t10_1:10.0

t10_3-t10_2:8.0

t10_4-t10_3:13.0

t10_5-t10_4:8.0

t10_6-t10_5:0.0

t10_6-t10_1:39.0