摘要:在O里填上“+ 或“- . 40 9=49 18 2=16 30 7=37 63 3=60 20 15=35 53 23=30
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在O里填上“>”“<”或“=”
(1)13.76×0.8○13.76 0.2○1.1×0.2 0.3×3○0.3×0.3
(2)5.2×0.6○0.52×6 8.4×1.3○0.9×8.4 6.4×0.2○6.4×0.5.
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(1)13.76×0.8○13.76 0.2○1.1×0.2 0.3×3○0.3×0.3
(2)5.2×0.6○0.52×6 8.4×1.3○0.9×8.4 6.4×0.2○6.4×0.5.
在O里填上“>”“<”或“=”
(1)13.76×0.8○13.76 0.2○1.1×0.2 0.3×3○0.3×0.3
(2)5.2×0.6○0.52×6 8.4×1.3○0.9×8.4 6.4×0.2○6.4×0.5.
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在O里填上“>”、“<”或“=”
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