(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/[0.5×(21/2
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/10 09:32:15
(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/[0.5×(21/20+4.1)
(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/[0.5×(21/20+4.1)
=(10/3×19/10+39/2×2/9)/(62/75-12/75)÷(105/30+140/30+64/30)/[0.5×(21/20+82/20)
=(19/3+13/3)/(50/75)÷(309/30)/(103/40)
=32/3×3/2÷(309/30×40/103)
=16÷4
=4
=(10/3×19/10+39/2×2/9)/(62/75-12/75)÷(105/30+140/30+64/30)/[0.5×(21/20+82/20)
=(19/3+13/3)/(50/75)÷(309/30)/(103/40)
=32/3×3/2÷(309/30×40/103)
=16÷4
=4
(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/[0.5×(21/2
有赏有赏,快来解题.(10/3×1.9+19.5÷9/2)/(62/75-0.16)÷(3.5+14/3+32/15)/
10/3×1.9+19.5÷9/2÷62/75-0.16的计算过程
15/22÷10= 45÷9/14= 3/5÷1/6= 2/7÷8/21= 2/9×
(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)=?
(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)
2÷3÷7+4÷6÷14+14÷21÷494÷7÷9+8÷14÷18+28÷49÷63
(4/3-5/3)÷10/7 (3/2+9/2)÷21/20 1-14/5÷7/5
1÷2×(1+1÷3+1÷6+1÷10+1÷15+1÷21+...+1÷5050)急!
(﹣11又2/3)÷0.5-(﹣21又2/3)÷0.5-10又1/3÷0.5
2-(5/1+3/1),(4/3-5/3)÷10/7,(3/2+9/2)÷21/20,1-14/5÷7/5,4/1÷(3
能简算的要简算 (3/4-3/5)÷7/10 (2/3+2/9)÷20/21 1-5/14