25×1.7×( ) 4.32 --( ) 54× + 54×( ) 查看更多

 

题目列表(包括答案和解析)

3.2×1.8+2.54  
198×0.51
1.25×32×2.5  
0.8×72.4×12.5
5.2×10.1  
2.5×3.7+6.3×2.5.

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计算。
(1)85+15= (2)40-32= (3)8+54= (4)78-60=
(5)3×6=  (6)4×4= (7)6×5= (8)l×2=
(9)52+18+24= (10)55+22-33= (11)95-34-16= (12)28-13+25=
                                  

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8×10= 7.54×100= 32÷100= 54.3÷1000=
6-0.06= 3.5+0.35= 430-270= 120+180=
40×16= 90÷15= 150×200= 0÷84=
172+99= 4.1-1.4= 1000÷8= 25×4=

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3+49= 5+49= 49+4= 7+48=
63+8= 13×7= 15×6= 25×4=
24×5= 15×3= 71-60= 33-5=
53-40= 51-1= 54-4= 18+2=
27+3= 7+27= 54+6= 9+8=
360÷9= 720÷8= 3600÷9= 2100÷3=
5400÷6= 65-56= 41-32= 90-81=
43-36= 53-48= 7+8×8= 6×6+5=
6+7×7= 1+3×6= 5+3×8= 5+27=
45+7= 18+8= 9+9= 6+49=
6+3×9= 1+2×9= 5×9+5= 7×8+6=
7×9+1= 6×8+5= 8+9×6= 6+5×7=
5+2×9= 9×4+6=

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按规律填空
(1)2,5,8,
(11)
(11)
(14)
(14)

(2)2,7,12,17,22,
(27)
(27)
(32)
(32)

(3)5,10,15,20,
(25)
(25)
(30)
(30)

(4)
(1)
(1)
(7)
(7)
,13,19,25,31,37;
(5)1,3,4,7,11,
(18)
(18)
(29)
(29)

(6)2,6,18,54,
(162)
(162)
(486)
(486)

(7)
(1)
(1)
,4,9,16,25,
(36)
(36)

(8)1,3,2,4,3,5,
(4)
(4)
(6)
(6)

(9)4,21,6,18,8,15,10,
(12)
(12)

(10)5,20,13,52,3,12,
(15)
(15)
,60.

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