小学四年级数学上册北师大版解方程练习题
7+x=19
x+120=176
58+x=90
x+150=290
79.4+x=95.52
x+55=129
7x=63
x×9=4.5
4.4x=444
x×4.5=90
x×5=100
6.2x=124
x-6=19
x-3.3=8.9
x-25.8=95.4
x-54.3=100
x-77=275
x-77=144
x÷7=9
x÷4.4=10
x÷78=10.5
x÷2.5=100
x÷3=33.3
x÷2.2=8
9-x=4.5
73.2-x=52.5
87-x=2266-x=32.3
77-x=21.9
99-x=61.9
3.3÷x=0.3
8.8÷x=4.4
9÷x=0.03
7÷x=0.001
56÷x=53
9÷x=3
3×(x-4)=46
(8+x)÷5=15
(x+5)÷3=16
15÷(x+0.5)=1.5