《2025年七彩口算题卡四年级数学下册人教版》

1. 口算。
①$520 - 340 =$ ②$820 - 330 =$
③$6\times90 =$ ④$300\div60 =$
⑤$610 - 390 =$ ⑥$400 + 130 =$
⑦$9\times30 =$ ⑧$540\div9 =$

答案：

2. 在括号里填上合适的数。(近似数保留整数)
①$523500 = ($ $)万\approx ($ $)万$
②$45820 = ($ $)万\approx ($ $)万$
③$486300 = ($ $)万\approx ($ $)万$
④$153010 = ($ $)万\approx ($ $)万$
⑤$1200140 = ($ $)万\approx ($ $)万$
⑥$148200 = ($ $)万\approx ($ $)万$
⑦$144741 = ($ $)万\approx ($ $)万$
⑧$36950 = ($ $)万\approx ($ $)万$
⑨$20001 = ($ $)万\approx ($ $)万$
⑩$91000 = ($ $)万\approx ($ $)万$
⑪$1458000 = ($ $)万\approx ($ $)万$
⑫$369100 = ($ $)万\approx ($ $)万$
⑬$171100 = ($ $)万\approx ($ $)万$

答案：