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五年级解方程练习题180题(有答案过程)ok

(28) 0.273÷x=0.35

(29) 1.8x=0.972

(30) x÷0.756=90

(31) 0.1(x+6)=3.3×0.4

(32) (27.5-3.5)÷x=4

(33) 9x-40=5

(34) x÷5+9=21

(35) 48-27+5x=31

(36) 10.5+x+21=56

(37) x+2x+18=78

(38) (200-x)÷5=30

(39) (x-140)÷70=4

(40) 20-9x=2

(41) x+19.8=25.8

(42) 5.6x=33.6

(43) 9.8-x=3.8

(44) 75.6÷x=12.6

(45) 5x+12.5=32.3

(46) 5(x+8)=102 (47) x+3x+10=70

(48) 3(x+3)=50-x+3

(49) 5x+15=60

(50) 3.5-5x=2

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