10.12-9.02+1.2=?, 23, 2.3, 3.2, 32, 24.7×0.1=?, 2.47, 0.247, 24.7×100=?, 247, 2470, 3.21× 200=?, 6.42, 642, 72.5×0.41=? (答案取值至十分位）, 29.725, 29.7, 72.5×0.5=? (答案保留至十分位), 36.25, 36.3, 20a=5,a=?, 1/4, 4, 2y +6=22, 2y=?, 8, 16, 2y+6=22, y=?, 1/8, 10又1/2, 8, 1/2, 3y-10=20, y=?, 10, 7, 8, 9, 如果m=6 , 則 5m-16=?, 14, 24, 那些算式不正確？, 6.03公里=603米, 6.003公里=6003米, 6.03公里=6030米, 6.3公里=6300米, 那個算式正確？, 5.063升=5063毫升, 5.063升=563毫升, 那個算式正確？, 1.863公里=1863米, 5.6米=56厘米, 那一個正確？, 長方體體積=長X闊, 長=長方體體積 \(\div \)闊\(\div \)高.
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EX 2
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