问题
计算题
简算。
|
答案
(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
=12×100
=1200
(5)原式=3000÷(125×8)
=3000÷1000
=3
=10×31
=310
探究题
简算。
|
(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
=12×100
=1200
(5)原式=3000÷(125×8)
=3000÷1000
=3
=10×31
=310