数学七年级上侧方程计算题50道及答案
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1.4x+2=x+73x=5x=5/32.3-6x-4=2/3-6x=5/3x=-5/183.(4x+2)/6-(5x-1)/6-x+3=6x=-34.4x/(2x+6)+1=7/(2x+6)7-4x
1-1/3[x-(1+x)/3]=x/2-1/2[2x-(10-7x)/3]1-1/3[x-1/3+x/3]=x/2-1/2[2x-10/3+7x/3]1-1/3[4x/3-1/3]=x/2-1/2[
一、解方程.32X+88=3480204-X+76=196X-(135-98)=254X-15=178×125-40X=6000.4X÷5=0.62X+0.82=0.823+0.5X=7X+80×2=
.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)8
http://wenku.baidu.com/view/197fa418b7360b4c2e3f6494.htmlhttp://wenku.baidu.com/view/7daa18d45022aae
(1):(-8)-(-15)+(-9)-(-12)=-8+15-9+12=10(2):(-40)+29-(-15)-|-24|=-21+15-24=-30(3):(2/3)-(1/8)-(-1/3)+
23+(-73)(-84)+(-49)7+(-2.04)4.23+(-7.57)(-7/3)+(-7/6)9/4+(-3/2)3.75+(2.25)+5/4-3.75+(+5/4)+(-1.5)(17
一、解方程.32X+88=3480204-X+76=196X-(135-98)=254X-15=178×125-40X=6000.4X÷5=0.62X+0.82=0.823+0.5X=7X+80×2=
2x+17=353x-64=1112+8x=520.8x-4.2=2.22x+5=103x-15=754x+4o=3203x+77=1225x-1.6=0.66x-4=2010x-0.6=2.4500
文库有哦
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6-2/9×34.8×5/4+1/45.6÷3/8-3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
1.3/7×49/9-4/32.8/9×15/36+1/273.12×5/6–2/9×34.8×5/4+1/45.6÷3/8–3/8÷66.4/7×5/9+3/7×5/97.5/2-(3/2+4/5)
4.58-(2.58+1.5)2.3÷0.25÷0.45.6÷3.52.7×0.990.125×3.2×0.253.72×9.9+3.72×0.10.99×0.81+0.99×0.19+0.991.3
1)(-9)-(-13)+(-20)+(-2)(2)3+13-(-7)/6(3)(-2)-8-14-13(4)(-7)*(-1)/7+8(5)(-11)*4-(-18)/18(6)4+(-11)-1/
23+(-73)(-84)+(-49)7+(-2.04)4.23+(-7.57)(-7/3)+(-7/6)9/4+(-3/2)3.75+(2.25)+5/4-3.75+(+5/4)+(-1.5)(17
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、-9(x-2)-y(x-5)(1)化简整个式子.(2)当x=5时,求y的解.2、5(9+a)×b-5(5+b)×a(1)化简整个式子.(2)当a=5/7时,求式子的值.3、62g+62(g+b)-b
1.3x-2=5x+42.1/2x-1/3(x-1)-1/6(2+3x)=13.1/3x=-14.(x+0.1)/0.5-(0.2x-0.6)/0.2=1/55.x=1-3x+1/2x答案:1-32-
-2+(-8)-(-9)