综合套题七
74 - 26 + 16 =	1000 - 482 =	457 + 309 =	384 + 498 =
688 + 48 ÷ 8 =	5 × (63 ÷ 7) =	54 ÷ 9 + 746 =	(18 + 45) ÷ 7=
56 ÷ (69 - 62) =	38 + (83 - 68) =	159 + 4 × 6 =	741 - 684 =
40 ÷ 5 - 7 =	8 × 9 - 44 =	37 + 44 - 22 =	49 + 46 =
7 × 9 + 369 =	207 + 335 =	2 × (4 + 3) =	373 - 54 ÷ 6 =
92 - 46 =	24 ÷ (3 × 2) =	92 - (56 + 17) =	813 - 238 =
523 - 9 × 3 =	(82 - 76) × 9=	842 - 655 =	61 - 52 =
笔算下列各题（1、4小题要验算）
(1)    307 + 325 =		(2)    575 + 306 =
(3)    266 + 376 =		(4)    542 - 457 =
(5)    984 - 508 =		(6)    745 - 267 =