综合套题七
85 - (48 + 18) =	(63 - 55) × 9=	53 - 46 + 54 =	6 × 7 - 35 =
1000 - 383 =	841 - 836 =	93 - 44 =	782 - 498 =
84 - 27 =	268 + 189 =	9 × (64 ÷ 8) =	14 ÷ (44 - 37) =
591 - 5 × 9 =	865 + 127 =	25 ÷ 5 + 486 =	245 + 3 × 6 =
49 ÷ 7 - 3 =	39 + 43 =	3 × (5 + 4) =	3 × 6 + 864 =
(17 + 11) ÷ 4=	655 + 42 ÷ 6 =	135 + 599 =	37 + 55 - 18 =
46 + (53 - 28) =	414 - 56 ÷ 8 =	826 - 499 =	30 ÷ (2 × 3) =
笔算下列各题（1、4小题要验算）
(1)    516 + 368 =		(2)    437 + 254 =
(3)    277 + 377 =		(4)    701 - 638 =
(5)    674 - 315 =		(6)    455 - 258 =