2018年小学三年级口算练习题(五十)
2018年小学三年级口算练习题(五十)654-290 = 243+15 = 223+676 = 829-798 = 922-743 =
744-249 = 316+659 = 979-133 = 183+709 = 287-40 =
164-47 = 277+296 = 642-30 = 801-797 = 990-101 =
374+316 = 65+330 = 883-765 = 247+433 = 210+550 =
359+600 = 321+376 = 901-213 = 817-128 = 300+13 =
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