综合套题七
43 - 3 × 8 =	45 + 39 =	41 - 39 =	83 - 67 =
(15 + 10) ÷ 5=	882 - 748 =	578 + 174 =	109 + 683 =
5 × 9 - 37 =	76 - 37 + 12 =	657 + 5 × 7 =	304 - 287 =
2 × (54 ÷ 6) =	72 - (17 + 17) =	54 ÷ 6 - 3 =	167 - 64 ÷ 8 =
815 - 249 =	24 ÷ (3 × 2) =	32 ÷ (36 - 32) =	606 + 286 =
777 + 56 ÷ 8 =	(35 - 27) × 5=	1000 - 666 =	18 ÷ 9 + 589 =
9 × 5 + 478 =	7 × (2 + 2) =	55 + 29 - 28 =	66 + (62 - 34) =
笔算下列各题（1、4小题要验算）
(1)    433 + 268 =		(2)    278 + 653 =
(3)    403 + 219 =		(4)    832 - 478 =
(5)    633 - 329 =		(6)    722 - 437 =