内容正文:
练习1
17+5x=152 7×64+x=498 x-2×28=63
x-4×74=27 28+3x=139 7×75+x=601
(7430-70)÷x=80 32+8x=736 7×77+x=562
47+7x=432 7×22+x=202 x-6×24=79
练习2
44+125÷x=69 7×18+x=169 x-7×16=51
67+2x=155 5×92+x=473 x-5×67=32
x-4×54=99 39+5x=229 8×62+x=515
(640-28)÷x=18 11+3x=146 2×92+x=219
练习3
84+5x=239 8×37+x=308 x-9×88=36
x-6×27=58 90+4x=302 2×82+x=254
(8062-11)÷x=83 40+9x=148 3×79+x=263
63+4x=359 6×39+x=320 x-4×83=93
练习4
84+256÷x=148 3×47+x=194 x-2×97=24
96+4x=232 5×57+x=336 x-4×39=83
x-8×61=96 98+2x=244 2×29+x=133
(2085-87)÷x=54 67+6x=325 6×38+x=260
练习5
86+7x=212 7×23+x=227 x-8×74=77
x-8×88=12 35+8x=651 4×62+x=286
(3475-91)÷x=47 41+3x=272 6×46+x=375
83+3x=284 7×74+x=586 x-6×59=88
练习6
42+132÷x=64 5×12+x=129 x-8×34=71
69+7x=468 2×69+x=221 x-8×97=31
x-8×31=22 64+4x=232 5×51+x=315
(4289-65)÷x=64 29+3x=320 9×63+x=605
练习7
35+2x=159 4×19+x=123 x-8×79=74
x-8×85=72 91+5x=306 4×83+x=409
(2567-47)÷x=30 84+6x=288 9×46+x=440
75+8x=651 4×72+x=375 x-6×27=57
练习8
46+468÷x=98 9×82+x=788 x-2×73=51
77+4x=409 2×80+x=177 x-5×73=25
x-9×28=67 41+6x=311 6×64+x=418
(6630-60)÷x=90 93+9x=786 3×20+x=121
练习9
16+9x=322 8×65+x=588 x-3×84=20
x-2×76=18 43+7x=526 5×91+x=497
(1065-85