考點:分?jǐn)?shù)的加法和減法,分?jǐn)?shù)除法,小數(shù)除法
專題:運算順序及法則
分析:橫向數(shù):
(1)依據(jù)整數(shù)乘法計算方法即可解答,
(2)依據(jù)整數(shù)加法計算方法即可解答,
(3)依據(jù)小數(shù)加法計算方法即可解答,
(4)(10)(16)按照從左到右順序計算即可解答,
(5)依據(jù)分?jǐn)?shù)加法計算方法即可解答,
(6)(7)(13)依據(jù)分?jǐn)?shù)除法計算方法即可解答,
(8)依據(jù)分?jǐn)?shù)乘法計算方法即可解答,
(9)(15)依據(jù)小數(shù)除法計算方法即可解答,
(11)按照先算乘法,再算減法順序計算即可解答,
(12)運用乘法分配律解答,
(14)依據(jù)比的基本性質(zhì)化簡即可解答.
解答:
解:130×7=910 23+12=35 0.32+3.2=3.52 47×7÷47×7=49
-
=
÷
=
÷
=
×
=
64÷0.4=160
÷
×9=1
-
×0=
12×(
+
)=11
÷
=3
:
=8:9 0.1÷0.01=10
×3÷3=
點評:本題考查知識點比較多,但都是基礎(chǔ)知識,故此基礎(chǔ)知識是正確解答題目的關(guān)機.