2018年小学三年级口算练习题(四十八)
2018年小学三年级口算练习题(四十八)530+119 = 193+397 = 430+33 = 212+541 = 678-455 =
489+247 = 232+113 = 746+199 = 229+515 = 577-350 =
613+304 = 294+129 = 235+436 = 744-573 = 64+109 =
555+304 = 367+388 = 168+699 = 499-76 = 515-441 =
325+389 = 231+650 = 524+472 = 776-72 = 611-219 =
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