05网免费提供各类练习与测试答案,请牢记零五网网址:05W.CC
1.
3.2 0.09 70
3.1 4 3
2.
0.09 2.41 130.56
3.
7.95+0.46+9.54 5.4×0.33+5.4×0.67
=7.95+(0.46+9.54 ) =5.4×(0.33+0.67)
=7.95+10 =5.4×1
=17.95 =5.4
9÷0.75+9÷0.75 4.56×[1÷(4.1-4.09)]
=(9+9)÷0.75 =4.56×[1÷0.01]
=18÷0.75 =4.56×100
=24 =456
4.一批货物重9.8吨。第一次运走1.4吨,第二次运走2.1吨,还剩多少吨?如果剩下的货物要 ...
9.8-1.4-2.1=6.3(吨)
6.3÷3=2.1(吨)
答:还剩6.3吨.如果剩下的货物要分3次运完,平均每次运2.1吨.