人教版四年级数学下册小数加减法简便计算专项练习题131
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1.8 +3.21 +8.2 =1.8 +____ +3.21
( 8.92 +3.17 ) +6.83 =____ +( ____ +____ )
47.53 -5.8 -4.2 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
5.88 +1.8 +4.2 9.72 -3.7 -2.3
4.31 -3.6 +
5.69 3.8 +0.78 +0.22 +20.2 1.2 +7.8 +1.4 7.18 -2.49 -2.51
95 +1.7 +4.9 +64 1.63 +4.58 +4.42
3.86 +9.34 +2.14
4.47 +1.4 +1.53 +8.6 1.2 +1.14 +4.86 +
5.8 8.26 +4.36 -3.26
7.7 +5.71 +2.3 =7.7 +____ +5.71
( 9.92 +4.41 ) +5.59 =____ +( ____ +____ )
42.95 -7.9 -2.1 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
1.65 +5.7 +4.3 6.85 -
2.7 -1.3
5.77 -1.7 +4.23 11.4 +0.16 +0.84 +15.6 2.3 +3.4 +
6.6 8.83 -2.01 -4.99
97 +2.2 +1.8 +76 4.29 +0.73 +8.27
0.18 +9.01 +5.82 0.25 +6.9 +5.75 +3.1 3.8 +2.82 +6.18 +5.2 8.44 +4.33 -4.44
3.2 +3.23 +6.8 =3.2 +____ +3.23
( 7.86 +4.56 ) +4.44 =____ +( ____ +____ )
19.98 -5.3 -4.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
4.57 +4.4 +4.6 7.16 -3.9 -1.1
4.26 -1.9 +3.74
5.6 +0.39 +0.61 +23.4 8.6 +9.7 +2.8 9.39 -3.17 -1.83
79 +2.5 +7.2 +42 1.72 +2.64 +5.36
5.64 +7.14 +4.36 1.22 +5.2 +5.78 +4.8 1.8 +2.86 +3.14 +
6.2 8.61 +
7.81 -6.61
4.4 +8.73 +
5.6 =4.4 +____ +8.73
( 6.55 +2.47 ) +5.53 =____ +( ____ +____ )
25.84 -5.3 -4.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
5.64 +5.5 +2.5 8.32 -2.1 -3.9
4.05 -1.3 +
5.95 5.9 +0.06 +0.94 +15.1 3.3 +8.6 +
6.9
7.37 -1.56 -2.44
47 +6.9 +6.4 +31 8.07 +1.22 +8.78
4.12 +0.23 +
5.88 4.39 +0.4 +5.61 +9.6 3.8 +1.58 +5.42 +5.2
6.85 +1.27 -1.85
3.3 +2.52 +6.7 =3.3 +____ +2.52
( 5.23 +1.45 ) +6.55 =____ +( ____ +____ )
38.77 -8.4 -1.6 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
2.78 +2.1 +6.9 9.53 -1.9 -
3.1
6.92 -2.4 +0.08 9.6 +0.03 +0.97 +20.4 2.8 +9.2 +2.3
7.16 -3.79 -1.21
26 +6.2 +1.6 +64 1.31 +4.14 +1.86
5.79 +5.02 +0.21 1.23 +3.8 +8.77 +
6.2 3.5 +1.35 +3.65 +4.5
7.87 +0.23 -5.87
6.7 +1.93 +3.3 =6.7 +____ +1.93
( 1.52 +2.39 ) +6.61 =____ +( ____ +____ )
13.35 -7.7 -2.3 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
5.04 +4.2 +1.8 7.15 -3.7 -1.3
6.54 -3.3 +3.46 18.2 +0.79 +0.21 +3.8 4.9 +3.6 +5.8 8.33 -0.69 -6.31
32 +9.2 +1.8 +24 3.55 +1.98 +4.02
4.81 +7.36 +3.19
5.26 +9.2 +3.74 +0.8 0.4 +4.72 +0.28 +9.6 7.04 +
6.53 -2.04
5.4 +3.35 +4.6 =5.4 +____ +3.35
( 4.76 +2.02 ) +7.98 =____ +( ____ +____ )
19.34 -5.7 -4.3 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
4.87 +1.7 +7.3 8.83 -2.3 -2.7
4.06 -1.5 +3.94 9.5 +0.37 +0.63 +13.5 2.4 +2.9 +1.7 8.13 -2.84 -2.16
46 +1.2 +4.9 +63 3.76 +5.06 +2.94
4.55 +0.65 +
5.45 3.42 +9.5 +3.58 +0.5
5.2 +0.73 +9.27 +0.8 7.83 +4.85 -2.83
6.3 +5.76 +3.7 =6.3 +____ +5.76
( 5.61 +3.53 ) +2.47 =____ +( ____ +____ )
41.71 -5.1 -4.9 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
8.09 +2.8 +4.2 9.51 -3.6 -2.4
4.55 -3.1 +4.45 7.9 +0.11 +0.89 +17.1 9.8 +4.8 +
5.4 7.58 -1.22 -2.78
47 +8.1 +7.7 +67 6.91 +0.64 +7.36
4.13 +3.29 +4.87
5.61 +3.2 +3.39 +
6.8 0.4 +2.33 +3.67 +
7.6
8.89 +6.91 -3.89
2.9 +9.33 +7.1 =2.9 +____ +9.33
( 1.27 +3.08 ) +4.92 =____ +( ____ +____ )
31.57 -3.1 -6.9 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
1.99 +1.9 +4.1 6.28 -
2.4 -
3.6
6.15 -1.2 +3.85 12.4 +0.54 +0.46 +
7.6
7.3 +2.2 +7.3 8.47 -2.43 -1.57
16 +5.7 +1.6 +46 5.79 +4.17 +3.83
5.28 +8.71 +2.72 1.71 +8.8 +
6.29 +1.2 3.4 +1.28 +3.72 +5.6 6.88 +1.05 -3.88
2.8 +8.77 +7.2 =2.8 +____ +8.77
( 6.12 +3.65 ) +5.35 =____ +( ____ +____ )
15.15 -7.9 -2.1 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
5.29 +2.3 +4.7 7.98 -1.3 -2.7
6.84 -3.2 +1.16 3.4 +0.04 +0.96 +23.6 1.7 +9.4 +3.6 8.94 -0.14 -6.86
75 +3.4 +9.8 +52 1.16 +3.62 +2.38
3.05 +3.48 +2.95 5.72 +6.2 +3.28 +3.8 3.8 +1.76 +5.24 +2.2 9.74 +1.57 -5.74
2.5 +8.99 +7.5 =2.5 +____ +8.99
( 2.63 +4.27 ) +4.73 =____ +( ____ +____ )
11.08 -2.8 -7.2 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
8.46 +2.6 +6.4 8.18 -1.4 -3.6
4.22 -3.7 +4.78 2.7 +0.15 +0.85 +17.3 1.1 +2.9 +4.7 8.58 -0.83 -3.17
66 +9.2 +8.5 +22 3.93 +3.03 +5.97
5.17 +
6.41 +2.83 5.05 +8.4 +1.95 +1.6 2.5 +0.39 +8.61 +5.5 8.74 +4.35 -5.74
4.5 +1.51 +
5.5 =4.5 +____ +1.51
( 8.94 +4.65 ) +5.35 =____ +( ____ +____ )
39.74 -1.3 -8.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
2.35 +5.6 +1.4 8.29 -
3.6 -0.4
4.44 -1.9 +3.56 14.2 +0.91 +0.09 +12.8 9.5 +6.2 +9.8 8.14 -0.72 -3.28
92 +6.1 +5.4 +59 5.18 +3.37 +3.63
0.76 +7.16 +5.24 4.24 +0.8 +2.76 +9.2 4.9 +4.81 +4.19 +3.1 9.15 +8.99 -7.15
2.9 +5.93 +7.1 =2.9 +____ +5.93
( 2.16 +3.35 ) +3.65 =____ +( ____ +____ )
27.44 -1.3 -8.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
6.63 +2.2 +4.8
7.17 -1.2 -3.8
5.66 -1.2 +3.34 0.1 +0.53 +0.47 +22.9 3.5 +5.1 +4.4 7.94 -1.64 -4.36
37 +3.1 +5.7 +77 0.87 +5.61 +3.39
3.53 +2.91 +3.47 5.96 +7.5 +3.04 +2.5 5.2 +0.32 +5.68 +2.8 7.66 +2.49 -5.66
8.1 +3.85 +1.9 =8.1 +____ +3.85
( 7.04 +2.53 ) +4.47 =____ +( ____ +____ )
13.48 -8.3 -1.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
6.54 +5.2 +1.8 9.75 -1.7 -2.3
4.57 -1.4 +
5.43 17.7 +0.56 +0.44 +9.3 3.7 +5.1 +7.4 8.25 -1.23 -3.77
84 +4.4 +7.5 +66 7.88 +5.48 +2.52
0.79 +2.79 +7.21 2.43 +6.3 +7.57 +3.7
1.1 +3.06 +3.94 +6.9 9.44 +9.97 -5.44
8.3 +7.04 +1.7 =8.3 +____ +7.04
( 9.63 +1.87 ) +5.13 =____ +( ____ +____ )
20.84 -2.3 -7.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
6.17 +1.9 +
7.1 7.46 -1.2 -4.8
5.67 -2.3 +3.33 14.9 +0.69 +0.31 +
6.1 4.9 +6.4 +5.5
7.61 -0.95 -6.05
79 +2.6 +7.7 +74 1.62 +0.29 +6.71
2.09 +8.36 +7.91 0.21 +4.7 +8.79 +5.3 4.3 +
3.02 +5.98 +5.7 7.67 +8.25 -6.67
6.5 +1.42 +3.5 =6.5 +____ +1.42
( 6.92 +2.85 ) +7.15 =____ +( ____ +____ )
48.15 -4.7 -5.3 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
6.86 +5.6 +3.4 6.42 -2.5 -1.5
4.99 -1.4 +2.01 2.3 +0.14 +0.86 +24.7 8.3 +6.2 +9.5 8.06 -1.59 -2.41
26 +2.4 +9.8 +72 3.49 +4.26 +5.74
1.91 +
2.17 +5.09 2.79 +0.2 +7.21 +9.8 1.8 +
3.63 +1.37 +8.2 6.69 +6.43 -
4.69
8.8 +7.94 +1.2 =8.8 +____ +7.94
( 4.62 +1.14 ) +7.86 =____ +( ____ +____ )
34.65 -6.3 -3.7 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
2.45 +
3.8 +6.2 9.07 -3.5 -0.5
6.94 -3.4 +3.06 1
7.1 +0.75 +0.25 +10.9 2.6 +
8.9 +1.5
9.75 -0.53 -3.47
56 +4.9 +5.7 +48 5.75 +1.94 +8.06
0.78 +2.42 +6.22 5.75 +8.3 +0.25 +1.7 0.8 +4.87 +3.13 +7.2 9.89 +0.53 -6.89
1.4 +5.55 +8.6 =1.4 +____ +5.55
( 4.84 +3.35 ) +4.65 =____ +( ____ +____ )
49.96 -3.1 -6.9 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
9.89 +2.5 +3.5 8.84 -3.3 -1.7
4.59 -3.1 +4.41 18.7 +0.57 +0.43 +11.3 6.8 +3.9 +3.4 9.22 -2.58 -3.42
88 +4.6 +4.4 +67 1.69 +3.27 +5.73
1.48 +1.52 +7.52 0.01 +4.3 +8.99 +5.7 0.5 +
2.73 +
3.27 +6.5 6.84 +5.91 -1.84
6.3 +3.82 +3.7 =6.3 +____ +3.82
( 7.85 +1.99 ) +5.01 =____ +( ____ +____ )
15.41 -5.7 -4.3 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
1.17 +1.5 +5.5 9.79 -
2.7 -2.3
5.39 -2.4 +4.61 11.8 +0.82 +0.18 +10.2 2.9 +2.7 +8.6 9.17 -0.11 -3.89
29 +6.3 +2.7 +23 1.93 +4.11 +4.89
2.07 +6.55 +7.93 0.43 +
3.9 +7.57 +6.1
3.3 +3.46 +
4.54 +2.7 8.39 +6.23 -3.39
6.6 +8.55 +3.4 =6.6 +____ +8.55
( 6.89 +2.15 ) +6.85 =____ +( ____ +____ )
31.66 -2.8 -7.2 =____ 〇( ____ 〇____ )
二、下面各题怎样简便怎样计算。
3.29 +2.2 +3.8 6.62 -3.1 -0.9
6.52 -2.3 +0.48 18.7 +0.84 +0.16 +5.3 9.5 +1.9 +3.6 8.72 -0.66 -6.34
92 +9.3 +3.6 +56 1.38 +4.83 +1.17
4.26 +
5.48 +4.74 0.87 +8.5 +5.13 +1.5 2.6 +1.48 +7.52 +4.4 7.87 +3.57 -5.87
时间:人教版四年级数学下册小数加减法简便计算专项练习题。