用简便方法计算。
|
| (1)原式=174+126+56 =300+56 =356 | (2)原式=(87+13)×48 =100×48 =4800 |
| (3)原式=24.4+5.6+(9.62+13.38) =30+23 =53 | (4)原式=6.94+43.06-4.56 =50-4.56 =45.44 |
编辑:chaxungu时间:2026-04-27 13:18:45分类:小学数学题库
用简便方法计算。
|
| (1)原式=174+126+56 =300+56 =356 | (2)原式=(87+13)×48 =100×48 =4800 |
| (3)原式=24.4+5.6+(9.62+13.38) =30+23 =53 | (4)原式=6.94+43.06-4.56 =50-4.56 =45.44 |