能简便的用简便方法计算。
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| (1)原式=16+125+17 =33+125 =158 | (2)原式=284-(16+84) =284-100 =184 | (3)原式=4×8×25 =100×8 =800 |
| (4)原式=150÷(25×2) =150÷50 =3 | (5)原式=343+57+27 =400+27 =427 | (6)原式=12×(24-14) =12×10 =120 |
| (7)原式=4×(99+1) =400 | (8)原式=50×(3600÷60) =3000 |
编辑:chaxungu时间:2026-04-27 13:25:47分类:小学数学题库
能简便的用简便方法计算。
|
| (1)原式=16+125+17 =33+125 =158 | (2)原式=284-(16+84) =284-100 =184 | (3)原式=4×8×25 =100×8 =800 |
| (4)原式=150÷(25×2) =150÷50 =3 | (5)原式=343+57+27 =400+27 =427 | (6)原式=12×(24-14) =12×10 =120 |
| (7)原式=4×(99+1) =400 | (8)原式=50×(3600÷60) =3000 |