2020-03-01 20:14:26 来源:范文大全收藏下载本文
2018北师大四年级下册解方程练习48题
(1)x-0.05=5.6
(2)4.5-x=4.5
(3)20÷2n=10
(4)x÷8.5=1.4
(5)9n÷0.85=40 (6)7.5+n=21.5
(7)9-m=4.76
(8)7y=21
(9)y÷5=2.4
(10)70÷7m=10
(11)16+7b=30
(12) 4x-12=76
(13)40-3y=10 (14)78+2x=100 (15) 14y-11=31 (16)5y×12=120 (17)x÷0.5=3.6 (18)7.09+m=10 (19)4b=28 (20)y-0.3=0.5×0.3 (21)x-1.5=43.89(22)12.5+x=25 (23)6x÷0.8=30 (24)80÷5n=16 (25)400÷4x=25 (29)x÷0.5=10 (33)7n+7=14 (37)10m-0.6=6 (41)5t+6=11 (45)3x-7=26 (26)0.45+x=6.4 (30)2x+8=8 (34)2m-6=12 (38)12.5-3b=0.5 (42)70n÷1.4=100 (46)55÷5a=11 27)9m=63 (28)6x-4.8=7.2 (31)7y=7 (32) 12.8-5t=2.8 (35)12.5+x=25 (36)6m+8=26 (39) 10n=28 (40)6y-6=0 (43)6-y=1.35 (44)2a÷8=4 (47)10t+2.5=10 (48)3y×7=21
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