网络资料,供参考
一、口算下面各题,直接写出结果。
36+25= 1+99÷9=
7×6÷×6= 57-34=
18÷3+40×6= (68一30)÷2=
17×3= 23-23×2×0=
56÷7= 17×2-6÷4=
二、选择。(下面各题最后求的是什么?把序号填在括号中)
(1)28×2→35÷5 [ ]
①求积; ②求差; ③求商。
(2)(80-43)÷4+2 [ ]
①求差; ②求商; ③求和。
(3)20×3+15÷5 [ ]
①求积; ②求和; ③求商
(4)84×3-98+2 [ ]
①求和; ②求差; ③求积
三、判断。(下面的计算对吗?对的在[]中画“√”,错的画“×”并在右边写出正确的计算过程)
(1) 480÷6一42+7
=80-42
=38+7
=45 [ ]
(2) 4+16÷4+16
=20÷20
=1 [ ]
(3) 32÷8-32÷8
=4-4
=0 [ ]
四、脱式计算下面各题。
①27÷3十48÷6 ②12×4-8×3
③52×6-24÷8
59 + ( 48 - 46 ) × 3 =
10 × ( 2 + 7 ) =
5 . ( 37 - 24 ) × 6 =
44 ÷ (2 + 9) =
66 + ( 49 - 45 ) × 2 =
( 2 + 34 ) × 2 =
( 9 + 27 ) ÷ 9 =
( 5 + 2 ) × 2 =
( 21 ÷ 3 + 33 ) × 2 =
( 7 × 6 + 32 ) ÷ 37 =
4 × ( 36 ÷ 6 - 5 ) =
56 ÷ ( 55 - 41 ) =
8 + ( 69 - 63 ) × 9 =
78 ÷ (17 + 22) =
24 × 4 - ( 54 - 51 ) =
( 18 × 4 + 19 ) ÷ 13 =
2 × ( 44 + 4 ) =
( 57 + 21 ) ÷ 26 =
( 3 + 2 ) × 9 =
79 + ( 45 - 44 ) × 8 =
( 89- 9) ÷ 10 =
( 24 + 66 ) ÷ 9 =
31 + ( 74 - 67 ) × 7 =
60 + ( 97 - 94 ) × 5 =
( 38 + 34 ) ÷ 9 =
54 ÷ (3 + 3) =
7 + ( 22 - 2 ) × 3 =
( 58 - 53 ) × 5 =
( 36- 4) ÷ 16 =
99 ÷ ( 38 - 5 ) =
7 × ( 30 ÷ 3 - 7 ) =
( 49- 25) ÷ 6 =
( 5 + 26 ) × 2 =
( 95- 63) ÷ 16 =
18 × 2 - ( 95 - 67 ) =
( 13 + 47 ) ÷ 15 =
64 ÷ (5 + 11) =
54 + ( 47 - 33 ) × 2 =
61 + ( 48 - 30 ) × 2 =
( 49 + 23 ) ÷ 36 =
11 × 8 - ( 63 - 36 ) =
6 × ( 13 - 10 ) =
( 6 × 9 + 31 ) ÷ 17 =
( 44 - 28 ) × 6 =
3 × ( 32 - 28 ) =
( 9 + 28 ) × 2 =
( 3 ÷ 3 + 21 ) × 2 =
12 × 4 - ( 32 - 7 ) =
13 + ( 24 - 17 ) × 6 =
( 78- 58) ÷ 10 =
(28+12)×30=
(12+20)×45=
(48-12)+6=
(25+38)×15=
(159+456)÷205+146-52=
(103-336÷21)×15=
800-(2000-9600÷8)=
40×48-(1472+328)÷5=
(488+344)÷(202-194)=
605×(500-494)-1898=
(2886+6618)÷(400-346)=
9125-(182+35×22)=
(154-76)×(38+49)=
(104+246)×(98÷7)=
918÷9×(108-99)=
(8645+40×40)÷5=
(2944+864)÷(113-79)=
(5011-43×85)+3397=
2300-1122÷(21-15)=
816÷(4526-251×18)=
(7353+927)÷(801-792)=
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本文概览:网络资料,供参考一、口算下面各题,直接写出结果。 36+25= 1+99÷9= 7×6÷×6= 57-34= 18÷3+40×6= (6...