跪求六年级数学脱式计算题20道(1.2.中等难度 3.不可为纯数字,必须有分数)
1个回答

(1)4/7÷[1/3×(3/5-3/10)]

(2)(4/5+1/4)÷7/3+7/10

(3)12.78-0÷( 13.4+156.6 )+ 37.812-700÷(9+31×11)- (136+64)×(65-345÷23)/ 3.2×(1.5+2.5)÷1.6

(4)85+14×(14+208÷26)

(5)(6.8-6.8×0.55)÷8.5

(6) (284+16)×(512-8208÷18)

(7)0.12× 4.8÷0.12×4.8

(8)(3.2×1.5+2.5)÷1.6

(9)4×(25×65+25×28)+ 138×25×4* (13×125)×(3×8) +(12+24+80)×50

(10)25×32×125

(11)32×(25+125)

(12)102×76

(13) 58×98

(14)280+840÷24×5

(15)85×(95-1440÷24)

(16)58870÷(105+20×2)

(17)80400-(4300+870÷15)

(18)1437×27+27×563

(19)81432÷(13×52+78)

(20)125×(33-1)

(21)37.4-(8.6+7.24-6.6)