小学分配率及混合运算运算及答案
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 08:28:49
(-6)-(-7)+(-5)-(+9)(-3/2)+(-4/3)+(-5/4)+(-6/5)+(-7/6)-(-8/7)23+(-17)+6+(-22)-2+3+9-(4/3-6/1)54.6-(-3
在网上搜一下,有很多的.下面是我给你搜到的1.33.1-(-22.9)+(-10.5)=33.1+22.9-10.5=56-10.5=45.52.(-8)-(-15)+(-9)-(-12)=-8+15
根据结合律,有:31/8x(-13/5)-23/8x(-13/5)=(31/8-23/8)x(-13/5)【有公因子,提取】=8/8x(-13/5)=-13/5
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.
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)
①238.9-18.9÷0.4=220÷0.4=55②0.2×(1+0.4-1+0.4)÷0.16=0.2×0÷0.16=0③7.5÷(4.8+1.09)×5.2=7.5÷5.89×5.2=1.27×
(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
1+1/5+1/6-1/12-1/1=?1+1/5+1/6-1/12-1/2=?1+1/5+1/6-1/12-1/3=?1+1/5+1/6-1/12-1/4=?1+1/5+1/6-1/12-1/5=?
1+1=22+=4!
找了几个月终于有好的了,狞在创答 啊·
12.06+5.07+2.9430.34+9.76-10.34×3÷×325×7×434÷4÷1.71.25÷×0.8102×7.3÷5.117+-71--,a+b+c=a+(b+c),a+b-c=a
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)
39+[-23]+0+[-16]=0[-18]+29+[-52]+60=19[-3]+[-2]+[-1]+0+1+2=-3[-301]+125+301+[-75]=50[-1]+[-1/2]+3/4+
1每份数×份数=总数总数÷每份数=份数总数÷份数=每份数21倍数×倍数=几倍数几倍数÷1倍数=倍数几倍数÷倍数=1倍数3速度×时间=路程路程÷速度=时间路程÷时间=速度4单价×数量=总价总价÷单价=数
(1)5.8×4+86-7.42答案:101.78(2)2/3-2/5+2/423/30再问:第二个能给我过程么再答:通分啊2/3-2/5+2/4=40/60-24/60+30/60=16/60+30
1.125*3+125*5+25*3+252.9999*3+101*11*(101-92)3.(23/4-3/4)*(3*6+2)4.3/7×49/9-4/35.8/9×15/36+1/276.12×
要不要应用题先20道1.[(5.84-3.9)/0.4+0.15]*0.922.4.38/(36.94+34.3*0.2)3.(284+16)*(512-8208/18)4.5.4/[2.6*(3.7