小数加减法简便运算 100 题
1--20 题:
73.8 -1. -13.8 -5.36 66.86 - 8.66 - 1.34 1.25+16.2-0.25
3.72+3.5 + 6.28 36.8 - 3.9 -6.1 2 5.48
- (9.4 - 0.52)
32+ 4.9 -0.9 4.02 + 5.4 +0.98 5.17 -1.8 -3.2
13.75 - (3.75 +6.48) 3.68 +7.56 -2.68
7.85 +2.34 -0.85 +4.66 35.6
-1.8 - 15.6 -7.2
3.82 +2.9 +0.18 +9.1 9.6 + 4.8 -3.6 7.14 -0.53 -2.47
5.27 +2.86 -0.66 +1.63 13.35 -4.68 +2.65
47.8 - 7.45+8.8 0.398+0.36+3.
21--40 题:
15.75+3.59 -0.59+14.25
6048 +975-3045 42.5 - (6.07 +1.13 )
3.9
- 4.1 +6.1 -5.9
6048 + 975-3045
6098 + 935-1045
9948+275-304
68+ 975-345
8+75-35
68+ 975-345 6048 1048 5690
68 685 6748 75-3005
+975-345
× 6÷ 35
+975÷345
+975-345
+975-5045
+
6048+975-3045 6.9 +4.8 + 3.1 41---60 题:
15. +(6.75 -5.)
5.17 - 1.8 -3.2 3.68 +7.56 -2.68 35.6 -1.8 -15.6 -7.2
9.6 +4.8 -3.6
5.27 +2.86 -0.66 +1.63
0.398+0.36+3. 748 0.456
4.02 13.75 7.85 3.82 13.35 73.8 +95-4
+ 6.22 + 3.78 +5.4 + 0.98
- (3.75 +6.48)
+2.34 -0.85 +4.66
+2.9 + 0.18 + 9.1
-0.53 -2.47
-4.68 +2.65
1. -13.8 -5.36
7.14-
47.8 -7.45+8.8
66.86 - 8.66 - 1.34
36.8 -3.9 -6.1
25.48 - (9.4 - 0.52)
61---80 题:
15.02-6.8-1.02
146.5 - (23 +46.5)
4.8+8.63+5.2+0.37
1.76+0.195+3.24
1.57+0.245+7.43
0.134+2.66+0.866
7.5 +4.9 - 6.5
32
+ 4.9 - 0.9
3.9
-4.1 +6.1 -
+4.9 - 0.9
9.43-
( 6.28-1.57 )
5.93+0.19+2.81
2.35+1.713+0.287+7.65
6.02+3.6+1.98
1.27+3.9+0.73+16.1 3.07
-0.38 -1.62
5.9
32
1.29 + 3.7 +2.71 +6.3
8 -2.45 -1.55
3.25 +1.79 -0.59 +1.75
23.4
-0.8 - 13.4 - 7.2
3.2 +0.36 +4.8 +1.
1.23 +3.4 -0.23 +6.6
81--100 题:
12.7 -( 3.7 + 0.84 )
36.54 -1.76 -4.54
14- 7.32 - 2.68 2. +8.67 +7.36 +11.33
37-19.9
37+19.9
9.8+0.2-9.8+0.2 100-15.4-14.6
5.17-1.8-1.2
9.14-1.43-4.57
0.46+3.+2.54 3.9+4.08+3.92+1.1
6.73- ( 3.73-2.4 )
6.73- (4.51+1.73 )
12.45 - 1.35 - 0.65 21.32
-( 6.32+ 8.3 )
27.3 -73.2+ 72.7
585 -1 +215
5.85 -1.75 -0.25
1.23+3.21+8.77+6.79 768
- 274-126
0.3+0.2+4.4+0.6+0.5