百度作业网谁可以帮我出出 4年级小数加减法 练习题!都要口算!越多越好!
来源：学生作业帮 编辑：百度作业网作业帮 分类：数学作业 时间：2024/04/30 00:26:02
谁可以帮我出出 4年级小数加减法 练习题!都要口算!越多越好!
(1)2.5+0.9=3.4 (2)1.2-0.5=0.7 (3)7.8+1.6=9.4
(4)0.39+0.15=0.54 (5)3-1.4=1.6 (6)4.7-2.8=1.9
(7)7.2-6.45=0.75 (8)15-0.48=14.52(9) 6.77-1.78=4.99
(10)3.45+5.75=9.20 (11)53.40+58.20=111.6(12)49.80+49.20=99
(13)111.6-99=12.6 (14)7.8+21.02=28.82(15)5.6-1.42=4.18
(16)12.5+0.9=13.4 (17)4.5-2.83=1.67(18)3.75+2.25=6
(19)2.98+0.56= (20)12.53+4.67= (21)6.07+4.89=
(22)5.64-1.78= (23)7.2-6.45= (24)5-0.41=
(4)0.39+0.15=0.54 (5)3-1.4=1.6 (6)4.7-2.8=1.9
(7)7.2-6.45=0.75 (8)15-0.48=14.52(9) 6.77-1.78=4.99
(10)3.45+5.75=9.20 (11)53.40+58.20=111.6(12)49.80+49.20=99
(13)111.6-99=12.6 (14)7.8+21.02=28.82(15)5.6-1.42=4.18
(16)12.5+0.9=13.4 (17)4.5-2.83=1.67(18)3.75+2.25=6
(19)2.98+0.56= (20)12.53+4.67= (21)6.07+4.89=
(22)5.64-1.78= (23)7.2-6.45= (24)5-0.41=