考點:分數(shù)的四則混合運算,小數(shù)除法
專題:運算順序及法則
分析:橫向數(shù):
(1)運用整數(shù)加法計算方法解答,
(2)運用整數(shù)乘法計算方法解答,
(3)運用整數(shù)除以小數(shù)計算方法解答,
(4)(6)運用小數(shù)乘法計算方法解答,
(5)運用小數(shù)除法計算方法解答,
(7)運用分數(shù)乘法計算方法解答,
(8)(12)運用乘法分配律解答,
(9)(13)按照從左到右順序計算解答,
(10)運用小數(shù)加法計算方法解答,
(11)運用分數(shù)加法計算方法解答,
(14)依據(jù)0除以任何數(shù)都得0即可解答,
(15)按照先算括號里面的,整數(shù)括號外面的順序計算即可解答.
解答:
解:425+88=513 25×8=200 1÷1.25=0.8 0.28×50=14 1.4÷0.7=2
2×6.5=13
×
=1 (
+
)×30=11
×1÷
=1 4.4+2.6=7
+
=1
24×(
-
)=4 0.4+11.6+2=14 0÷0.87=0
0.4×(2.5-2.4)=0.04
故答案為:513,200,0.8,14,2,13,1,11,1,7,1
,4,14,0,0.04.
點評:正確運用四則運算計算方法進行計算,是本題考查知識點,關鍵是計算結果要準確.