口算基础过关 对( )题 分 秒
4.91 + 3.09 = 1.92 - 0.7 = 1.11 + 0.25 =
14.5 - 3.5 = 6.2 - 0.8 = 3.24 + 4.56 =
2.07 + 2.13 = 1.88 - 1.52 = 0.7 + 1.3 =
10 - 3.5 = 13 + 10.5 = 2.72 - 1.6 =
4.91 + 3.09 = 1.92 - 0.7 = 1.11 + 0.25 =
14.5 - 3.5 = 6.2 - 0.8 = 3.24 + 4.56 =
2.07 + 2.13 = 1.88 - 1.52 = 0.7 + 1.3 =
10 - 3.5 = 13 + 10.5 = 2.72 - 1.6 =
答案:
8 1.22 1.36 11 5.4 7.8
4.2 0.36 2 6.5 23.5 1.12
4.2 0.36 2 6.5 23.5 1.12
计算能力提升 对( )题 分 秒
计算下面各题。
15.36 + 0.07 + 3.86 24.66 - 7.73 - 6.98 3.1 - (2.14 + 0.09)
3.12 + 4.6 - 5.1 12.8 - (7.9 - 5.31) 18.9 - 5.93 + 7.8
10 - (3.6 + 2.5) 14.28 - (1.33 + 2.58) 6.17 + 8.4 - 3.99
计算下面各题。
15.36 + 0.07 + 3.86 24.66 - 7.73 - 6.98 3.1 - (2.14 + 0.09)
3.12 + 4.6 - 5.1 12.8 - (7.9 - 5.31) 18.9 - 5.93 + 7.8
10 - (3.6 + 2.5) 14.28 - (1.33 + 2.58) 6.17 + 8.4 - 3.99
答案:
19.29 9.95 0.87 2.62 10.21 20.77
3.9 10.37 10.58
3.9 10.37 10.58
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