挑战10道加减乘除口算题你算得准确吗?
2023-01-20 01:08:41
158258+1234545=
2135484+2164549=
313464849497+246464=
99958855+676797=
57646488+124548797=
2434649-1235442=
925368423-632145987=
3445487×645484849=
21343944840×466484878=
616484884979+545484=
124345578+4664949797=
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