四年级乘除脱式计算题
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 18:57:19
3.21+0.24+0.7612.6-4.4-5.6
25-5+230x2+180x1-1025x4+100300+20+1088+22+10033+77+2044+66+2033+77+80
5.12-3.14+76.2=?76.5-56.2+9.12-63.25=?89.23-(56.23+26.3)=?
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)
458-596+542-434
1.270+30-602.360-170+603.540+150-4904.630÷9+6005.270×2-200
有一些不符合要求请自己挑360÷[(12+6)×5]288÷[(26-14)×8]500×6-(50×2-80)(105×12-635)÷25864÷[(27-23)×12](45+38-16)×24
1除以〔1乘3〕+1除以〔5乘7〕+....+1除以〔99乘101〕=?
1、原式=8x²y*4(-3x/4y²)(-2/x²y)=6x³y²(2/x²y)=12xy2、原式=(m+n)/m(m-n)x1/(m+n
(1)3.28-4.76+1-;(2)2.75-2-3+1;(3)42÷(-1)-1÷(-0.125);(4)(-48)÷82-(-25)÷(-6)2;(5)-+()×(-2.4).2.计算题:(10
x的平方-6x+9/x的平方-x-6/x的平方-9/x的平方-3x-10×x+3/2(x-5)=(x-3)²/[(x+2)(x-3)]÷[(x+3)(x-3)]/[(x-5)(x+2)]×(
(1)x-2/x+1*(x²-1/x²-4)=(x-2)/(x+1)*[(x+1)(x-1)]/[(x+2)(x-2)]=(x-1)/(x+2)(2)(x²-3x+2/x
[x²y²/(x²-y²)]³×[(y²-x²)/x³y²]²=x^6y^6/(x²-y&
4乘(72-19)除以4+284.7×7-54.7×73.26×0.52+3.26×0.48+7.0587.4×27.6+73.4×87.4-87.4【10-(0.2+6.37÷0.7)】÷0.015
23.5+14.8+36.5=23.5+36.5+14.8=60+14.8=74.819.4+30.6+45.62=50+45.62=95.6233.5+24.9+51.3=58.4+51.3=109
到这里找一找吧
(ab)/c=(ac)/b=(bc)/a=kck=abbk=acak=ab三式相加2(abc)=k(abc)如果abc≠0k=2如果abc=0ab=-ck=(ab)/x=-c/c=-1k=-1或2再问
(x+2/x的平方+2x-x-1/x的平方-4x+4)/x-4/x×(2-x)的平方=(x+2)/x(x+2)-(x-1)/(x-2)²×x/(x-4)×(x-2)²=-(x-1)