1. 直接写得数。
①3.2+5.8=
②4.6-2.7=
③6.6-1.9=
④11.2+3.8=
⑤0.9-0.2=
⑥5.6-5.36=
⑦1.3+6.7=
⑧8.6-4.7=
⑨3+2.56=
⑩8.2-2.8=
⑪5.3-2.27=
⑫1.02+3.06=
⑬5.88-0.78=
⑭3.3+7.7=
⑮6.05-2.05=
⑯7.2+6.3=
⑰7.8-7.6=
⑱7.83-4.9=
⑲4.25+3.3=
⑳1.1-0.82=
㉑11.2+4.4=
㉒9.8+0.71=
㉓5.65-0.45=
㉔7.9+2.01=
㉕5.5+4.08=
㉖11.5+4.2=
㉗6.92-3.7=
㉘5.11-1.6=
㉙7.85-7.7=
㉚3.9+3.49=
㉛9.1-6.52=
㉜1.36+2.8=
㉝3.9+1.71=
㉞6.3+0.16=
㉟9.6+1.53=
㊱4.4+0.64=
㊲5.6-3.26=
㊳7.31-6.8=
㊴9.6-3.45=
㊵4.9+1.82=
④①4.8+3.27=
④②8.9-6.43=
④③25.8-4.5=
④④6.1+6.47=
④⑤12.8-1.6=
④⑥1.83+6.55=
④⑦6.91-2.33=
④⑧4.28+7.44=
④⑨4.5-2.35=
⑤09.3+3.96=
⑤①23.2-2.9=
⑤②0.57+0.66=
⑤③4.72-2.35=
⑤④6.39+2.85=
⑤⑤8.4-3.56=
⑤⑥3.75+4.48=
⑤⑦10.21-3.74=
⑤⑧2.89+6.34=
⑤⑨7.13-2.95=
⑥05.68+3.77=

①9
②1.9
③4.7
④15
⑤0.7
⑥0.24
⑦8
⑧3.9
⑨5.56
⑩5.4
⑪3.03
⑫4.08
⑬5.1
⑭11
⑮4
⑯13.5
⑰0.2
⑱2.93
⑲7.55
⑳0.28
㉑15.6
㉒10.51
㉓5.2
㉔9.91
㉕9.58
㉖15.7
㉗3.22
㉘3.51
㉙0.15
㉚7.39
㉛2.58
㉜4.16
㉝5.61
㉞6.46
㉟11.13
㊱5.04
㊲2.34
㊳0.51
㊴6.15
㊵6.72
㊶8.07
㊷2.47
㊸21.3
㊹12.57
㊺11.2
㊻8.38
㊼4.58
㊽11.72
㊾2.15
㊿13.26
51 20.3
52 1.23
53 2.37
54 9.24
55 4.84
56 8.23
57 6.47
58 9.23
59 4.18
60 9.45