0.7 + 8.1 - 2.7 =
答案:
0.7 + 8.1 = 8.8,8.8 - 2.7 = 6.1
0.3 + 7.1 - 2.3 =
答案:
0.3 + 7.1 = 7.4,7.4 - 2.3 = 5.1
7.2 + 1.9 - 8.1 =
答案:
7.2 + 1.9 = 9.1,9.1 - 8.1 = 1.0 = 1
8.1 - 4.1 + 38.7 =
答案:
8.1 - 4.1 = 4.0,4.0 + 38.7 = 42.7
1.2 + 1.2 + 4.2 =
答案:
1.2 + 1.2 = 2.4,2.4 + 4.2 = 6.6
6.5 - 1.5 + 8.62 =
答案:
6.5 - 1.5 = 5.0,5.0 + 8.62 = 13.62
0.9 + 0.1 + 0.4 =
答案:
0.9 + 0.1 = 1.0,1.0 + 0.4 = 1.4
20 + 9.5 + 3 =
答案:
20 + 9.5 = 29.5,29.5 + 3 = 32.5
3.2 + 0.3 - 0.4 =
答案:
3.2 + 0.3 = 3.5,3.5 - 0.4 = 3.1
5.2 + 0.3 - 0.7 =
答案:
5.2 + 0.3 = 5.5,5.5 - 0.7 = 4.8
7.43 - 1.43 + 37.4 =
答案:
7.43 - 1.43 = 6.00,6.00 + 37.4 = 43.4
7.1 + 0.2 - 0.4 =
答案:
7.1 + 0.2 = 7.3,7.3 - 0.4 = 6.9
8.51 - 4.51 + 4.7 =
答案:
8.51 - 4.51 = 4.00,4.00 + 4.7 = 8.7
5.2 + 0.4 - 0.7 =
答案:
5.2 + 0.4 = 5.6,5.6 - 0.7 = 4.9
7.5 - 4.1 + 3.6 =
答案:
7.5 - 4.1 = 3.4,3.4 + 3.6 = 7.0 = 7
7.32 - 1.32 + 14.5 =
答案:
7.32 - 1.32 = 6.00,6.00 + 14.5 = 20.5
3.4 + 0.5 - 0.8 =
答案:
3.4 + 0.5 = 3.9,3.9 - 0.8 = 3.1
8.5 - 4.5 + a.27 =
答案:
8.5 - 4.5 = 4.0,4.0 + 4.27 = 8.27
1.4 + 0.5 - 0.6 =
答案:
1.4 + 0.5 = 1.9,1.9 - 0.6 = 1.3
7.2 + 0.4 - 0.5 =
答案:
7.2 + 0.4 = 7.6,7.6 - 0.5 = 7.1
9.1 - 0.9 - 7.3 =
答案:
9.1 - 0.9 = 8.2,8.2 - 7.3 = 0.9
8.53 - 2.53 + 38.5 =
答案:
8.53 - 2.53 = 6.00,6.00 + 38.5 = 44.5
5.4 - 0.1 - 0.9 =
答案:
5.4 - 0.1 = 5.3,5.3 - 0.9 = 4.4
1.3 + 0.5 - 0.6 =
答案:
1.3 + 0.5 = 1.8,1.8 - 0.6 = 1.2
0.6 + 8.5 - 6.6 =
答案:
0.6 + 8.5 = 9.1,9.1 - 6.6 = 2.5
7.4 - 2.4 + 7.5 =
答案:
7.4 - .4 = 5.0,5.0 + 7.5 = 12.5
5.21 - 1.21 + 8.2 =
答案:
5.21 - 1.21 = 4.00,4.00 + 8.2 = 12.2
1.3 + 0.4 - 0.6 =
答案:
1.3 + 0.4 = 1.7,1.7 - 0.6 = 1.1
0.3 + 0.4 + 0.33 =
答案:
0.3 + 0.4 = 0.7,0.7 + 0.33 = 1.03
0.9 + 0.8 + 0.2 =
答案:
0.9 + 0.8 = 1.7,1.7 + 0.2 = 1.9
0.6 + 7.5 - 4.6 =
答案:
0.6 + 7.5 = 8.1,8.1 - 4.6 = 3.5
8.6 - 2.9 - 2.1 =
答案:
8.6 - 2.9 = 5.7,5.7 - 2.1 = 3.6
7.62 - 4.62 + 51.5 =
答案:
7.62 - 4.62 = 3.00,3.00 + 51.5 = 54.5
5.8 - 3.9 - 0.1 =
答案:
5.8 - 3.9 = 1.9,1.9 - 0.1 = 1.8
查看更多完整答案,请扫码查看