17分之15乘13加17分之13乘2
=13/17x15+13/17x2
=13/17x(15+2)
=13/17x17
=13
猜你喜欢
- 1I’d like a cup of coffee__some sugar and milk. A in B to C of D with
- 2when will he arrive
- 3用名言或、古诗来表达《用心灵去倾听 》这篇课文
- 4x减(1减二十分之十九)等于22
- 51000瓦220V电量等于4.55个电流,那1000瓦380V的电量等于多少电流呢
- 6任何液体都有沸点吗?
- 7在斜面底端固定一劲度系数为k的轻弹簧,质量为m的光滑小球与弹簧上端接触后将弹簧压缩并静止在斜面上
- 8汉译英:我每天花二十分钟骑自行车去上学.
- 9已知x^2+4y^2-4x+4y+5=0,求(x^4-y^4/2x^2+xy-y^2)*(2x-y/xy-y^2)/(x^2+y^2/y)^2 x^3-2x-9
- 10Tony likes math.Tony likes his math teacher合并句子