《2025年通城学典计算能手四年级数学下册北师大版》

二、计算下面各题。
6.42 - 2.56 - 0.44 6.32 + 5.9 - 2.05 4.55 + 1.27 + 18.6

答案： 3.42 10.17 24.42

一、直接写出得数。
0.63 + 2.8 = ________ 2.8 - 0.4 = ________ 6.5 + 4.35 = ________
1.5 + 0.06 = ________ 1.88 + 1.04 = ________ 0.3 - 0.25 = ________
0.65 + 1.5 = ________ 10 - 5.4 = ________ 4.72 + 2.34 = ________
10.1 - 9.9 = ________ 3.6 + 1.54 = ________ 7.62 - 1.09 = ________
1.7 - 0.51 = ________ 4.2 - 3.5 = ________ 0.25 + 1.2 = ________
8.7 + 0.49 = ________ 32.8 + 1.6 = ________ 5.23 - 1.17 = ________
4.9 - 0.7 = ________ 1.7 - 0.65 = ________ 0.6 + 1.24 = ________
0.65 + 1.76 = ________ 2 - 0.63 = ________ 7.04 - 2.8 = ________
4.75 - 2.64 = ________ 1.8 + 5.1 = ________ 0.49 - 0.12 = ________
12.7 - 6.8 = ________ 5.32 + 2.28 = ________ 0.82 + 4.5 = ________

答案： 3.43 2.4 10.85
@@1.56 2.92 0.05
@@2.15 4.6 7.06
@@0.2 5.14 6.53
@@1.19 0.7 1.45
@@9.19 34.4 4.06
@@4.2 1.05 1.84
@@2.41 1.37 4.24
@@2.11 6.9 0.37
@@5.9 7.6 5.32