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用自己喜欢的方式计算 用喜欢方法计算。6.7÷7/1÷5
用喜欢方法计算。6.7÷7/1÷5 用喜欢方法计算。6.7÷7/1÷56.7÷1/7÷5=6.7×7÷5=46.9÷5=9.38用你喜欢的方法计算:7/10×5/16÷21/32写成分数的形式,直接约
用喜欢方法计算。6.7÷7/1÷5
用喜欢方法计算。6.7÷7/1÷5
6.7÷1/7÷5
=6.7×7÷5
=46.9÷5
=9.38
用你喜欢的方法计算:7/10×5/16÷21/32
写成分数的形式,直接约分,得1/3.
7/50×100 1/7,用简便方法计算
7/50×100 1/7
=7/50×100+7/50×1/7
=14+1/50
=14 1/50
用简便方法计算:7/8×4+0.875+1/6
7/8×4+0.875+1/6
=28/8+7/8+1/6
=35/8+1/6
=105/24+4/24
=109/24
7/8 7/27 20/27用简便方法计算。
7/8 7/27 20/27用简便方法计算
7/8 7/27 20/27
=7/8+(7/27+20/27)
=7/8+1
=15/8
5/8+(5/6-1/4)=用你喜欢的方法计算
5/8+(5/6-1/4)
=5/8-1/4+5/6
=5/8-2/8+5/6
=3/8+5/6
=9/24+20/24
=29/24
=1又5/24
用你喜欢的方法计算.(1)42÷( 5 14 ÷ 2 7 ) (2)( 1 6 ×
(1)42÷( 5 14 ÷ 2 7)
=42÷
=33
3 5;
(2)(
1 6×
3 8)×24
=
×24
=
;
(3)
11 20×2.5×
10 11×4
=(
×
10 11)×(4×2.5)
=
×10
=5;
(4)
1 9×24+24×
8 9=(
1 9+
8 9)×24
=1×24
=24.
用自己喜欢的方法计算. ( 1 12 + 1 4 )×24 5 7 ×
(1)( 1 12 + 1 4)×24,
=
×24+
1 4×24,
=2+6,
=8;
(2)
5 7×
7 9+
2 9×
5 7,
=
×(
7 9+
2 9),
=
×1,
=
;
(3)
3 4×11+
3 4,
=
×(11+1),
=
×12,
=9;
(4)46×

44 45
,
=(45+1)×
,
=45×
+1×
44 45,
=44+
,
=44
.
2007/2006×7/5-502/1000x5/7=?用简便方法计算。
原题没什么简便方法,稍微修改下:
2007/2006x7/5-520/1003x7/5
=(2007/2006 - 520/1003)×7/5
=(2007/2006 - 1040/2006)×7/5
=(2007-1040)/2006 ×7/5
=967/2006 ×7/5
= 6 769/10030
很赞哦! (1060)