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(1)432+783+568+117(2)365-178-122(3)64×125(4)12×37+12×62+12(5)3000÷125÷8(6)720×31÷72

题目详情
(1)432+783+568+117 (2)365-178-122
(3)64×125 (4)12×37+12×62+12
(5)3000÷125÷8 (6)720×31÷72
(1)432+783+568+117 (2)365-178-122 (3)64×125 (4)12×37+12×62+12 (5)3000÷125÷8 (6)720×31÷72 (1)432+783+568+117 (2)365-178-122 (1)432+783+568+117 (2)365-178-122 (3)64×125 (4)12×37+12×62+12 (3)64×125 (4)12×37+12×62+12 (5)3000÷125÷8 (6)720×31÷72 (5)3000÷125÷8 (6)720×31÷72
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答案和解析
(1)原式=(432+568)+(783+117)
                =1000+900
                =1900

(2)原式=365-(178+122)
                =365-300
                =65

(3)原式=8×(8×125)
                =8×1000
                =8000
(4)原式=12×(37+62+1)
                =12×100
                =1200
(5)原式=3000÷(125×8)
                =3000÷1000
                =3
(6)原式=720÷72×31
                =10×31
                =310
(1)原式=(432+568)+(783+117)
                =1000+900
                =1900

(2)原式=365-(178+122)
                =365-300
                =65

(3)原式=8×(8×125)
                =8×1000
                =8000 (4)原式=12×(37+62+1)
                =12×100
                =1200 (5)原式=3000÷(125×8)
                =3000÷1000
                =3 (6)原式=720÷72×31
                =10×31
                =310 (1)原式=(432+568)+(783+117)
                =1000+900
                =1900

(2)原式=365-(178+122)
                =365-300
                =65

(1)原式=(432+568)+(783+117)
                =1000+900
                =1900 (1)原式=(432+568)+(783+117)
                =1000+900
                =1900

(2)原式=365-(178+122)
                =365-300
                =65

(2)原式=365-(178+122)
                =365-300
                =65

(2)原式=365-(178+122)
                =365-300
                =65 (3)原式=8×(8×125)
                =8×1000
                =8000 (4)原式=12×(37+62+1)
                =12×100
                =1200 (3)原式=8×(8×125)
                =8×1000
                =8000 (3)原式=8×(8×125)
                =8×1000
                =8000 (4)原式=12×(37+62+1)
                =12×100
                =1200 (4)原式=12×(37+62+1)
                =12×100
                =1200 (5)原式=3000÷(125×8)
                =3000÷1000
                =3 (6)原式=720÷72×31
                =10×31
                =310 (5)原式=3000÷(125×8)
                =3000÷1000
                =3 (5)原式=3000÷(125×8)
                =3000÷1000
                =3 (6)原式=720÷72×31
                =10×31
                =310 (6)原式=720÷72×31
                =10×31
                =310