四年级竖式计算小数加减法1小数的加法。(1)6.622.38 (2)13.724.28(3)15.69.47 (4)10.36(5)76.82.4 (6)9.214.852小数的减法。(1)8.766.84 (2)23.52.85(3)203.65 (4)7.656.9(5)12.65+3.5= (6)85.6-3.21=(7)32.7+7.52= (8)55.6-5.75=(9)3.96+6.04= (10)4.031.97=答案1小数的加法。(1)6.622.389(2)13.724.2818 (3)15.69.4725.07 (4)10.3616.3 (5)76.82.479.2 (6)9.214.8524.05 2小数的减法。(1)8.766.841.92 (2)23.52.8520.65 (3)203.6516.35 (4)7.656.90.75 (5)12.65+3.5=16.15 (6) 85.6-3.21=82.39(7)32.7+7.52=40.22 (8) 55.6-5.75=49.85(9)3.96+6.04=10 (10)4.031.97=2.06