四年级数学下册四则混合运算练习

四年级数学下册四则混合运算练习125-256 (135+75)(145) 120-6055 1024163 (135+415)5+16 1200-2018720-72015 (360-144)243 240+480302 225-10(6+13) (1202+120)9 164-135+85330(65-50) 128-6816 64(12+6513) 1996-96274 10000-(59+66)64 594045(798-616)(31540-364)7 125208(12111) (2010-906)(65+15) (20+12024)8 1069-769 11713+3615四年级数学下册四则混合运算练习377437(65+35) 540-(148+47)13 (30830828)11 (10+12024)5 (238+756090)14 21(230-1924)1996-96274 10000-(59+66)64 594045(798-616) (31540-364)7 735(700-40025) 1520-(1070+282)9405-29402821 920-1680407 690+4752-398 148+332864-75 3602432+730 2100-94+485451+(2304-2042)23 4215+(4361-716)81 (247+18)2725 36-720(36018) 4