四年级下册数学 （北京版）四年级数学下册练习卷

下面各题怎样算简便就怎样算。4.02+5.4+0.98
3.68+7.562.683.82+2.9+0.18+9.15.27+2.86—0.66+1.63
47.87. 45+8. 866.86-8.66-1.3425.48-(9.4—0.52)32+4.90.9
4.8+8.63+5.2+0.372.35+1.713+0.287+7.650.134+2.66+0.866
3.070.381.623.25+1.79—0.59+1.751.23+3.40.23+6.614—7.322.68
四年级数学练习卷5.17-1.8-3.27.85+2.34-0.85+4.66
9.6+4.8-3.613.35-4.68+2.650.398+0. 36+3.6436.8—3.9—6.1
3.94.1+6.1—5.9146.5—(23+46.5)5.93+0.19+2.811. 57+0. 245+7. 43
1.27+3.9+0.73+16.11.29+3.7+2.71+6.323.4-0.83—13.47.2
12.7-(3.7+0.84)2.64+8.67+7.36+11.3313.75(3.75+6.48)
35.61.8—15.6—7.27.14—0.53—2.4773.8—1.64—13.85.36
15.75+3.59—0.59+14.2532+4.9—0.915.02-6.8-1.029.43-(6.28-1.57)
1.76+0.195+3.246.02+3.6+1.987.5+4.9-6.58—2.45—1.55