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笑花的比奇思少1.97元,奇思花了多少钱?
23.2×0.90.9 1×0.991 72×4.572
5.37×1.15.37 0×1.81.8 8.9×1.189×0.11
13.8-8= 6.6+4= 0.083×1000= 2.3×4×0=
23+4.7= 10-3.24= 0.06×0.7= 19.25×0.25×4=
千克?
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