(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)原式=(432+568)+(783+117) =1000+900 =1900 | (2)原式=365-(178+122) |
(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 |
=1000+900
=1900
(2)原式=365-(178+122)
=365-300
=65
=8×1000
=8000
=12×100
=1200
=3000÷1000
=3
=10×31
=310
=1000+900
=1900
(2)原式=365-(178+122)
=365-300
=65
=1000+900
=1900
=1000+900
=1900
(2)原式=365-(178+122)
=365-300
=65
(2)原式=365-(178+122)
=365-300
=65
=365-300
=65
=8×1000
=8000
=12×100
=1200
=8×1000
=8000
=8×1000
=8000
=12×100
=1200
=12×100
=1200
=3000÷1000
=3
=10×31
=310
=3000÷1000
=3
=3000÷1000
=3
=10×31
=310
=10×31
=310
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