考點(diǎn):整數(shù)、分?jǐn)?shù)、小數(shù)、百分?jǐn)?shù)四則混合運(yùn)算
專題:計(jì)算題
分析:橫向數(shù):
(1)按照從左到右順序就是即可解答,
(2)(9)(12)依據(jù)小數(shù)加,減法計(jì)算方法即可解答,
(3)(8)依據(jù)除法計(jì)算方法即可解答,
(4)按照從左到右順序就是即可解答,
(5)依據(jù)任何非0數(shù)乘0都得0即可解答,
(6)運(yùn)用乘法交換律和結(jié)合律解答,
(7)(11)運(yùn)用乘法分配律解答,
(10)運(yùn)用加法計(jì)算方法即可解答.
解答:
| 解:4÷7-=0 |
1.68+1.5=3.18 |
7÷1.4=5 |
÷2÷=0.5 |
| 32÷53×0=0 |
×2÷×=1 |
(0.18+0.9)÷9=0.12 |
0.36÷3.6%=10 |
| 10.1-1=9.1 |
9+=9 |
0.9+99×0.9=90 |
2.6-1.7=0.9 |
點(diǎn)評(píng):依據(jù)四則運(yùn)算計(jì)算方法正確進(jìn)行計(jì)算,以及運(yùn)用簡(jiǎn)便方法解決問(wèn)題,是本題考查知識(shí)點(diǎn).