综合套题七
345 + 517 =	62 - 24 =	728 + 239 =	95 - (18 + 18) =
(44 - 40) × 8=	34 + (86 - 29) =	45 - 39 =	646 + 32 ÷ 4 =
15 ÷ (38 - 35) =	31 - 4 × 3 =	881 - 345 =	197 + 195 =
72 ÷ 8 - 2 =	722 - 438 =	687 - 438 =	1000 - 964 =
57 + 35 =	12 ÷ (3 × 2) =	6 × (3 + 5) =	7 × (56 ÷ 7) =
35 ÷ 5 + 267 =	33 + 48 - 42 =	8 × 6 + 275 =	75 - 68 + 48 =
349 + 8 × 9 =	9 × 7 - 58 =	756 - 64 ÷ 8 =	(31 + 14) ÷ 5=
笔算下列各题（1、4小题要验算）
(1)    378 + 234 =		(2)    585 + 328 =
(3)    597 + 397 =		(4)    944 - 536 =
(5)    747 - 639 =		(6)    813 - 589 =