2018年小学三年级口算练习题(二十七)
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2018-08-23 09:54:50
2018年小学三年级口算练习题(二十七)
33+52 = 82+23 = 9+66 = 29+68 = 81+12 =
326-323 = 117-67 = 728-699 = 606-576 = 614-540 =
814-731 = 393-354 = 411-337 = 346-299 = 129-31 =
189-170 = 615-564 = 525-487 = 904-899 = 138-41 =
