(1)7.56+13.8+2.44+5.2 (2)156×72+28×156 查看更多

 

题目列表(包括答案和解析)

A 1 6 7 12 13
B 2 5 8 11 14
C 3 4 9 10 15 16
(1)到200为止,A,B,C各组数各有多少个?
(2)73在哪一组里?
(3)C组第56个数是几?

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8.4÷0.7=
5
11
×33=
1
4
-
1
5
=
0.25×4= 3-
3
4
=
1
4
÷25%=
4.8×
5
8
=
3.37+6.63=
2
5
+
3
5
×2=
3
16
×
4
9
=
1-100%= 3.6×
4
9
=
0.5-
1
5
+0.5-
1
5
=
12.6÷3= 1.02-0.43=
3
7
=
10-1.34-3.66=
2
3
=
7+0÷7-7=
5
6
×13÷
5
6
=

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神机妙算细又巧!
14.64+3.7×2.8   
72.5×0.4-81.2÷56    
13.8×0.45+138×0.055
(1.5÷4)÷(0.15÷4)
(1.25+1.25+1.25+1.25)×0.8×0.25.

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0.56÷0.04= 1.44÷2= 24.6÷0.6= 4.5÷0.15=
0.63÷0.09= 12.84÷1.2= 3.9÷0.13= 1.6÷1.6=
20÷0.25= 1.3÷2.5= 100÷12.5= 7.8÷0.13=
3.24÷0.8= 13×1.1= 5.46÷3= 4.07×3=
5.28t-1.99t= 0.6+89= 5.7×0.1= 1.6÷0.4=
6÷0.3= 5÷0.25= 0.45×3= 0.35×8=
7.1-0.76= 1.2×0.3= 0.76÷4= 1.9×0.8=
4.2-2.8= 7.2÷1.6= 19.8+3.2= 18-17.45=
4.5+1.5= 0.75x+0.25x= 2.5×4= 0.46÷2=
0.7×1.4= 1-0.92= 8×0.125= 3.4÷20=
10a-1.8a= 4.8×0.2= 0.3÷0.15= 0.15÷2=
0.2×0.5= 2.2-1.8= 3.1+1.75= 32.8+1.9=
0.42×0.5= 0.76+1.24= 3.06-0.72= 0.51÷17=
5.2÷13= 8.2×0.01= 1.72-0.73= 1.6×0.4=
4.8b+3.2b= 2.5×4= 0.3×101= 1.2×0.5=

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450-140= 25÷7= 900+238= 600-9×8=
90-7×5= 26+30-28= 48÷(2+4)= 780-772=
26+24= 80-30= 78-26=
5
6
-
1
2
=
(
1
2
+
1
3
+
1
4
) × 24
=
0.25×2.69×4= 10-2.87-7.13=
12
7
÷24=
4
5
=
0.87-0.49 4.9×0.7=
4
5
÷
7
10
=
8
5
 ÷
5
8
=
7
18
÷
5
9
=
1
2
×
1
5
=
2+
4
9
=
(25+4)×4= 12.37-3.25-6.75= 3/14×6= 0.51÷17=
14-7.4= 5.2÷1.3= 25×12=
3
16
÷
3
16
=
9
26
÷
8
13
=
2.5-2= 36-29= 120÷4=
300+25= 630-30= 4×50= 15.9+10.8=
26×13= 24÷4+56÷4= 8-2.5= 12×2.5=
2吨50千克=
2.05
2.05
吨.

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