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小,数,法,除,义务教育课程标准实验教科书(北师大版),快速抢答,639=,7,7,968=,12,12,1263=,42,4.2,3.69=,0.4,0.4,555=,11,1.1,63090=,96080=,12.63=,3690=,5.55=,想一想,12.60.3 与1263有关系吗?发现了什么?,国内长途 每分0.7元计费 8.54元,8.540.7=,试一试,填一填,想一想,想一想、算一算,3.20.4=810.9=0.780.03=0.630.7=,试一试,填一填,想一想,试一试,4.162.6=20.25=,试一试,填一填,想一想,填一填,0.780.2=()2 0.70.25=()254.060.58=()()320.08=()(),78,70,406,58,3200,8,试一试,填一填,想一想,