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小学六年级上册数学计算题及答案

[3/4-7/8/(5/6+4/5)]*28 =[3/4-7/8÷49/30]*28 =[3/4-15/28]*28 =3/4*28-15/28*28 =21-15 =6 (1.25*4/5-0.76)/(1又3/8+1又1/40) =(1-0.76)/2.4 =0.24/2.4 =0.1 [(0.2+1/3)*4.5]/(8又1/20-6.45) =8/15*4.5/1.6 =2.4/1.6 =1.5 x+3又2/3=5 x*9又3/...

?题目五年级上册数学列竖式计算题100道 加减乘除各25题 小来来mRi 数学 2014-12-07 作业帮-是干什么的呢?让我来告诉你 优质解答 0.86×7  2.14×62  0.375×12 1.8×395 0.45×108 1.056×25  1.8×23 0.37×0.4 1.06×25 ...

解: 2x-2-3x<3 -x<5 x>-5 所以原不等式解集为x>-5 晕,图片传不上去……数轴会画吧?就像直尺上面一样,然后在-5位置处画个小圈(空心的),从小圈处向上延伸一小条线段,然后向右画

2.8×4/5+8.2×4/5-4/5 =(2.8+8.2-1)×4/5 =10×4/5 =8 你好,本题已解答,如果满意 请点右下角“采纳答案”。

1. 6÷ 3/8 – 3/8 ÷6 =1/6x(3/8-3/8) =1/6x0 =0 2. 4/7 × 5/9 + 3/7 × 5/9 =(4/7+3/7)x5/9 =1x5/9 =5/9 3. 5/2 -( 3/2 + 4/5 ) =5/2-3/2-4/5 =1-4/5 =1/5 4. 6 ×( 1/2 + 2/3 ) =6x1/2+6x2/3 =3+4 =7 5. 8 × 4/5 + 8 × 11/5 =8x(4/5+11/5) =8x...

17×40=680, 100-63=37, 3.2+1.68=4.88, 2.8×0.4= 1.12 14-7.4=6.6, 1.92÷0.04=48, 0.32×500=160, 0.65+4.35= 5 10-5.4=4.6, 4÷20=0.2, 3.5×200=700, 1.5-0.06=1.44 0.75÷15=0.05, 0.4×0.8=0.32, 4×0.25=1, 0.36+1.54=2 1...

共有玩具:8×5=40(个) 20元卖出的有:40-28=12(个) 一共卖:35×28+20×12=1220(元) 一共赚:1220-800=420(元)

1.1100 2.39996 3.100 4.1 5.11/27 6.28/3 7.41/4 8.12 9.5/9 10.1/5 11.10/9 12.25/3 13.1/3 14.13/14 15.7 16.24 17.25 18.31/21 19.6 20.7/4 21.46/3 22.1/4 23.1 24.18/35 25.13/42 26.29/30 27.13/22 28.5 29.35 30.17/19 31.3/2 32.2 33.1...

简操作如下: 45.55 6.82 15.55 34.52-17.87-12.23 27.38-5.34 +2.62-4.66 6.43(1.4-0.57)23.75-8.64-3.46 21.63(8.5 9 63 ) 17.83-9.5-7.83-0.5 5.38 +88.2-2.38 +1.8 7.5-2.45 +7.5 +2.45 0.9 +0.99 +0.999 5.09(0.09 +1.23)9.36(4.36 ...

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