[四年级数学笔算题]额不知道，你总要先出题吧⊙﹏⊙b汗，你出题了以后我会帮你答的，我6年级了快初中了，应该不难吧，呵呵o（∩_∩）o~ 640÷80= 815*10= 15012*11= 132160*30= 4800220*40= 880104*5= 5204500...+阅读

51.8-43.6= 87.8-47.4= 97.1-56.8= 45.9-36.1= 67.9-35.6=

58.9+37.6= 56.4+19.9= 46.7-41.8= 99.9-64.8= 94.7+1.9=

69.3+28.5= 53.7+17.9= 37.3+21.8= 16.4+52.9= 34.1+27.7=

92.6-54.8= 67.9-31.4= 52.1-16.8= 7.5-3.6= 65.7-37.9=

3.5+4.7= 28.9+4.6= 10.0+59.6= 65.4+16.23= 39.8+55.55=

96.5-38.7= 97.8-41.6= 68.4-37.7= 79.9-43.43= 64.6-27.7=

87.9-59.9= 99.9-51.9= 74.6-2.5= 89.4-24.9= 80.1-27.5=

54.7+29.3= 78.9+1.3= 12+3.9= 5.2+30= 41+3.7=

51-3.7= 34-21.5= 58-37.4= 89-5.1= 54-20.6=

60-2.9= 65-2.1 88-0.36= 95-2.4= 61-3.1=