82○7.82×0.6 查看更多

 

题目列表(包括答案和解析)

6.7+4.95+3.3         283.75-(42.73-13.25)
17.56-3.87-6.13      5.5+9.18+0.82+3.5
23.5+0.9+11.5        15.49-3.3-5.49.

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①5.82保留整数位约是
6
6

②6.995保留两位小数约是
7.00
7.00

③8.479精确到百分位约是
8.48
8.48

④578600人改成用“万人”作单位的数是
57.86万人
57.86万人

⑤9830000000册改成用“亿册”作单位的数是
9.83亿册
9.83亿册

⑥把50780000000 吨省略亿后面的尾数约是
507.8
507.8
亿吨.
⑦5.433精确到百分位是
5.43
5.43

⑧7.998精确到十分位是
8.0
8.0
.精确到百分位是
8.00
8.00

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0.02×0.1= 5.06x-4.07x= 12-7.8= a+0.4a=
12÷0.3= 4.6x+2.7x= 1.7+0.43= 0.58a-0.47a=
1.5×0.4= 4.8x-3.1x= 1.25×0.2= 12a-8.4a=
64.32÷16= 6x-4.9x= 5.1b+11.9b= 1.23÷3=
100×0.01= 3.4×0.07= 3x+4x= 0.42÷0.1=
4.3b-2.7b= 7÷0.25= 5.1x+2.9x= 1.75×0.8=
0.3×0.4= 5.4+1.4= 2.7x+3.6x= 16÷1.6=
10x-3.7x= 0.98+1.82= 2.5x+4.3x= 0.05×0.8=
6.05x-4.96x= 3.7a+5.2a= 3.2÷1.6= 3.12÷0.5=
3.5+7.6= 5.1a+3.9a= 10×0.75= 3b-0.7b=
5.6×0.1= x×x= 0.9÷0.01= 3.4b+5.6b=
72.8÷0.8= 2.7b+5b= 3.5×3= 7.6b-4.3b=
32= 2.52= 4x+5x= 3.5t-t=
8a-3a= 7b+b= 4c-2c= 3.5b+2.7b=
0.32÷0.04= 0.51×0.2= 0.12+3.4= 102=

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455×7数学公式+111÷数学公式+43.3×761数学公式-[(3.62×数学公式+6.38÷7数学公式)×1.82-1数学公式×0.82].

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4.5+6.36.5+4.88.6+7.710.05+0.4
34.6-4.99-4.23.45÷1065.5÷10
9.43÷103.2÷1002.75×106.783×100
0.35×20.8×65.2+1.70.01×8
1.6×0.37.31×1003.8×46.3×0.1
0.8×0.90.7×1.22.5×0.44.5-1.5
7.5-0.10.125×80.23×0.59.6+5
8.36+0.750.35×60.83+0.63.16×2
0.65×24.7×0.4×00.09×60.4×0.1
2.3×0.38.3-2.45×0.021.68+3.34
9.6÷60.03×1.20.4+1.57.9×0.01
0.45+0.551.2+439.2-0.80.85×4
10.3+2.9100×0.60.3×7125×0.8
2.5×43.7+4.87×0.083.6÷0.6
9.3+0.70.162×1004.2÷30.25×4×1.2.

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