口算题大全带答案.docx

1.2＋9＝10.25.43－3.06＝2.373＋1.2＝4.2 0.12＋5＝5.121.2＋1.8＋1.4＝4.4 6.2＋16＋3.8＝2614－0.6＝13.4 20.3－8＝12.3 50－1.5＋4＝ 53.5175－0.56＝174.44 2.08＋11＝13.089 0.4＋20＝ 20.42.5＋67＋7.5＝77 4.5－3＝1.5 25－0.38＝1.62 5.4＋9.6＝15 5.6－4＝1.6 1.45＋55＝56.45 4.6＋49＋51＝104.6 9.1－7＝2.1 10.3－0.3＝ 1028＋9.2＝37.2 43.6＋2.08＝45.68 14－7.4＝6.60.65＋4.35＝ 5 10－5.4＝4.61.5－0.06＝1.44 0.36＋1.54＝214－7.4＝6.60.65＋4.35＝ 510－5.4＝4.61.5－0.06＝1.44 0.36＋1.54＝20.75＋0.25=11.37+1+7.63=10 5.6+2.7+4.4=12.7 9.14-1.43-4.57=3.14 77+2.7+2.3+25=107 1.88+2.3+3.7=7.88 9.14-1.43-4.57=3.14 77+2.7+2.3+25=107 1.88+2.3+3.7=7.88 0.34+0.45=0.79 0.57+0.9=1.47 8-4.6=3.4 0.6-0.37=0.23 4.9+9.8=14.7 39.5+98.8=138.31.4+2.8=4.2 1.5+3=4.5 1.6+3.2=4.8 1.7+3.4=5.1 1.8+3.6=5.4 1.9+3.8=5.7 0.2+0.40=0.6 2.1+4.2=6.3 2.2+4.4=6.6 2.3+4.6=6.92.4+4.8=7.22.5+5=7.52.6+5.2=7.82.7+5.4=8.12.8+5.6=8.42.9+5.8=8.7 0.3+0.6=0.9 3.1+6.2=9.3 3.2+6.4=9.6 3.3+6.6=9.9 1-0.3=0.7 1.5-0.4=1.1 2-0.5=1.5 2.5-0.6=1.9 3.0-0.7=2.3 3.5-0.8=2.7 4-0.9=3.1 4.5-1=3.5 5-1.1=3.9 5.5-1.2=4.3 6-1.3=4.7 6.5-1.4=5.1 7-1.5=5.5 7.5-1.6=5.9 8-1.7=6.3 8.5-1.8=6.7 9-1.9=7.1 9.5-2=7.5 10-2.1=7.9 10.5-2.2=8.3 11-2.3=8.7 11.5-2.4=9.1 12-2.5=9.5 12.5-2.6=9.9 13-2.7=10.3 0.2+0.6+0.0.2=12.8 + 1.5 + 0.7=53.12- 5.6 + 2.9=0.424.8- 5.4 + 1.4 =0.85.6- 3.8 – 0.38 = 1.426.4 + 5.9 + 3.7 = 167.5 - 3.2 + 4.5 = 8.88.7 + 1.8 + 1.9 = 12.49.9 - 5.6 + 5.6 =9.910.3 - 8.9 - 1.3= 0.111.7 + 5.49 + 3.14= 20.3312.6 +1.2 + 2.3 = 16.113.8 - 4.5 + 11.5 =20.814.3 - 5.6 – 5.6 =3.115.9 - 2.7 – 10.21 = 2.9916.5 - 1.8 – 1.4= 13.317.4 + 2.5 + 2.3= 22.218.4 + 8.7 – 5.6 =21.519.1+3.2 – 3.4 = 18.920.3 - 2.9 + 1.3= 18.721.5 - 2.5 + 3.7= 22.722.3 + 2.3 + 1.6= 26.223.1 + 2.3 + 5.6= 3124.9 + 11 - 1.2= 34.725.5 - 11.5 + 4.3= 18.326.4 - 2.3 + 1.3 = 25.427.7 + 1.19 - 5.6= 23.2928.1 + 3.4 - 2.3= 29.229.8 -2.16 + 1.2= 28.841.2＋9＝10.25.43－3.06＝2.373＋1.2＝4.2 0.12＋5＝5.121.2＋1.8＋1.4＝4.4 6.2＋16＋3.8＝2614－0.6＝13.4 20.3－8＝12.3 50－1.5＋4＝ 53.5175－0.56＝174.44 2.08＋11＝13.089 0.4＋20＝ 20.42.5＋67＋7.5＝77 4.5－3＝1.5 25－0.38＝1.62 5.4＋9.6＝15 5.6－4＝1.6 1.45＋55＝56