全国珠算四级练习题1

全国珠算技术等级普通级6-4级

A B C D

3575,0141,30749,038 9,82683,562954-6,746 53170576,541272 708,625-81,683716605 3,242723,4148,972-8,349 568-6,952649,065473 14,947795708-5,864 369-8,3676,283347 30,08352638,618728,505 4,105498,092454419 9394753,2093,296 2,754-7,826296-75,834 560,807357493,804307 5,674-8,0467,519-4,893 416729647418,261 79,028×85737,650/75 827×5,50782,924,95/427 90.245×73.46943,700/94 101,264×2510 2.7389/0.583