1.:=-24+36+9-14
=7
2:=-1.25-8(9-1/9)
=1-1
=1
3:
①(1-3/2-3/8+7/12)×(-24)= ②(-8)×9×(-1.25)×(-1/9)=
1个回答
相关问题
-
直接写得数1/2-1/2×1/2=?4/7÷8/11=?9÷1/9=?2/7×3=?12×7/8=?9/25×5/3=?
-
①（1/2-5/6+5/12-7/24）×24= ②2×3.14-8×3.14+5×3.14-9×
-
1 2 + 5 7 × 7 10 1 2 + 8 3 ÷ 2 9 18×（3- 2 9 ） 12× 3 4 +12× 1
-
8/3×（1/3-8/21×8/16） 99×7/10 （3/7+4/21）×21 5/17×9/24+9/17×7/2
-
下面各题怎样简便就怎样计算9.9×25 3.25×4.7-7.8 1.25×32×0.25 8.12×4+1.88×4．
-
口算我最棒！1.25×8%= 3 5 ÷0.9 = 4 7 ÷ 8 11 = 9÷ 1 9 = 2 7 ×3 = 12×
-
简便计算． 4 5 × 3 8 + 4 5 × 1 2 (3× 5 12 )×4 3 7 × 2 9 × 7 8 4 9
-
3 4 ×12 = 5 7 × 2 7 = 2 3 × 3 4 × 1 8 = 1 10 × 1 4 = 2 9 × 5
-
1+2+3+4+5+6+7+8+9+10×1×2×3×4×5×67×8×9×10=
-
(1×3×24+2×6×48+3×9×72)÷(1×2×4+2×4×8+3×6×12)=?