脱式计算,能简算的要简算。
|
| (1)原式=65.8-15.8+6.9 =50+6.9 =56.9 | (2)原式=72×(100+2) =7200+144 =7344 |
| (3)原式=10.97-8.96 =2.01 | (4)原式=300÷10+48 =78 |
| (5)原式=15.7+4.3-(10.17+5.83) =20-16 = 4 | (6)原式=9÷3 =3 |
编辑:chaxungu时间:2026-04-27 13:34:04分类:小学数学题库
脱式计算,能简算的要简算。
|
| (1)原式=65.8-15.8+6.9 =50+6.9 =56.9 | (2)原式=72×(100+2) =7200+144 =7344 |
| (3)原式=10.97-8.96 =2.01 | (4)原式=300÷10+48 =78 |
| (5)原式=15.7+4.3-(10.17+5.83) =20-16 = 4 | (6)原式=9÷3 =3 |