小学五年级上册数学解方程计算题(三)
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小学五年级上册数学解方程计算题(三)
(54)
6x+12.8=15.8
(55) 150×2+3x=690
(56) 2x-20=4
(57) 3x+6=18
(58) 2(2.8+x)=10.4
(59) (x-3)÷2=7.5
(60) 13.2x+9x=33.3
(61)
3x=x+100
(62) x+4.8=7.2
(63) 6x+18=48
(64)3(x+2.1)=10.5
(65)12x-9x=8.7
(66)13(x+5)=169
(67) 2x-97=34.2
(68)3.4x-48=26.8
(69)42x+25x=134
(70)1.5(x+1.6)=3.6
(71)2(x-3)=5.8
(72)65x+7=137
(73) 9x+4×2.5=91
(74) 4.2 x+2.5x=134
(75)
10.5x+6.5x=51
(76)
89x-43x=9.2
(77) 5x-45=100
(78) 1.2x-0.5x=6.3