1、试题北师大版小学三年级上册数学第1单元混合运算过河同步检测1(附答案)一、算一算。1006733 16204 (4222)464(4133) 6(73) (2835)9二、数学小诊所。 10105 72(81) 65217 = 05 = 91 = 365 = 0 = 10 = 62三、连一连。(2835)9 18(32) (1620)4 56(2518) 7(6556)四、算一算,比一比。40124 452 2843(4012)4 (45)2 28(43)五、根据下面算式,列一个综合算式。综合算式: (1) 2925 = 54 549 = 6 综合算式: (2) 312 = 15 615 =
2、90综合算式: (3) 1812 = 304830 = 18六、列式计算。(1)50减去7乘6的积,差是多少?(2)45除以9与4的差,商是多少?(3)82比9与8的积多多少?答案:一、 1006733 16204 (4222)4 = 3333 = 165 = 204 = 0 = 21 = 564(4133) 6(73) (2835)9 = 648 = 64 = 639 = 8 = 24 = 7二、 10105 72(81) 65217= 102 = 729 = 653 = 8 = 6 = 62四、37 14 10 7 18 4五、(1)(2925)9 = 6 (2)6(312)= 90 (3)48(1812) = 18六、(1) 5076 = 5042 = 8(2) 45(94) = 455 = 9(3) 8298 = 8272 = 10