怎樣算簡便就怎樣算3549,怎樣算簡便就怎樣算354949106594n

2021-03-03 22:00:32 字數 1174 閱讀 4643

1樓:寶寶

135×4 9

-4 9

×10+65÷9 4

,=4 9

×(35-10)+65×4 9

,=4 9

×25+65×4 9

,=4 9

×(25+65),

=40;

2(1 6

+1 5

)×62616964757a686964616fe78988e69d83313333353331316×5,

=1 6

×6×5+1 5

×6×5,

=5+6,

=11;

3[(25%-1

12)×3

16]÷0.375,

=[(1 4

-112

)×316

]÷3 8

,=[1 6

×316

]÷3 8

,=132

×8 3

,=112

;43 4

÷910

-514

×715

,=3 4

×10 9

-514

×715

,=5 6

-1 6

,=2 3.

怎樣簡便就怎樣算?5/7+5/9×3/2+1/6。 4/9×5/7+2/7÷9/4。4/9×5/1

2樓:匿名使用者

5/7+5/9×

dao3/2+1/6

= 5/7+5/6+1/6

= 7/5+1

= 1+2/5+1

= 2又版2/5

4/9×權5/7+2/7÷9/4

= 4/9×5/7+2/7×4/9

= 4/9×(5/7+2/7)

= 4/9 × 1

= 4/9

4/9×5/11+5/9×7/11

= 4/9×5/11+ 7/9×5/11

= 5/11×(4/9+7/9)

= 5/11 × 11/9

= 5/9

1/9×9/10-1/9×3/10+4/9×1/10= 1/9×9/10-1/9×3/10+1/9×4/10= 1/9×(9/10-3/10+4/10)= 1/9×10/10

= 1/9

怎樣簡便就怎樣算(1)1 5 1 8 1

1 1.5 1.8 1.3 0.6,5 6 0.78,146 75 2 25 1.25 32,25 1.25 8 4,25 4 1.25 8 100 10,1000 3 4 5 1 4 7 3 710 21 20 7 3 710 920 710 1.15 4 56 4 7 5 8 3 4 56 4 ...

怎樣簡便就怎樣算。1 2 7 (

2 7 3 4 5 7 2 7 5 7 3 4 1 3 4 1又3 4 3 5 11 17 11 3 5 11 17 11 3 2 1 1.怎麼簡便怎麼計算。7 8 1 6 3 8 5 5 11 6 11 3 4 2 9 1 4 7 8 1 6 3 8 7 8 1 6 3 8 7 8 3 8 1 6...

下面各題怎樣算簡便就怎樣算3 6 1 25 0 32 0

3.6 1.25 0.32 0.4,4.5 0.8,5.3 455 12.5 4 8.1,455 50 8.1,455 50081,455 61481,4486781 8.25 4.8 4.8 1.75,8.25 1.75 4.8,10 4.8,48 加涅的學習分類 加涅把人類的學習分為八個層次 一...