综合套题七
547 - 268 =	7 × 4 + 75 =	25 + 68 - 15 =	624 - 3 × 9 =
(11 + 13) ÷ 8=	1000 - 534 =	53 + (61 - 52) =	42 - 24 =
5 × (4 + 5) =	176 + 5 × 3 =	872 - 209 =	12 ÷ (2 × 2) =
574 - 456 =	(42 - 36) × 2=	81 - (46 + 28) =	199 + 498 =
5 × (16 ÷ 8) =	64 ÷ 8 + 276 =	47 - 39 + 57 =	273 - 81 ÷ 9 =
74 - 37 =	302 + 72 ÷ 8 =	36 + 55 =	64 ÷ 8 - 5 =
192 + 529 =	9 × 7 - 36 =	288 + 674 =	25 ÷ (28 - 23) =
笔算下列各题（1、4小题要验算）
(1)    326 + 259 =		(2)    457 + 496 =
(3)    309 + 626 =		(4)    402 - 378 =
(5)    882 - 567 =		(6)    343 - 316 =