100以内加减法混合练习题
人气:384 ℃ 时间:2020-04-21 19:37:47
解答
52+5+19= 10+26+38= 18+37+45= 14+45+34=
98-34-48= 80-41-25= 68-21-40= 86-29-13=
65+28-46= 85-70+16= 60-13+27= 68-35+49=
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