用简便方法计算。
|
| (1)原式=89+11+(124+26)+48 =100+150+48 =298 | (2)原式=975-(147+23) =975-170 =805 |
| (3)原式=(134+66)×8 =1600 | (4)原式=125×8×8 =8000 |
| (5)原式=365×(100-1) =36500-365 =36135 | (6)原式=3000÷(125×8) =3000÷1000 =3 |
编辑:chaxungu时间:2026-04-27 13:19:46分类:小学数学题库
用简便方法计算。
|
| (1)原式=89+11+(124+26)+48 =100+150+48 =298 | (2)原式=975-(147+23) =975-170 =805 |
| (3)原式=(134+66)×8 =1600 | (4)原式=125×8×8 =8000 |
| (5)原式=365×(100-1) =36500-365 =36135 | (6)原式=3000÷(125×8) =3000÷1000 =3 |