25×3.2×12.5 3.6÷1.5÷2 33.4+0.12×50 查看更多

 

题目列表(包括答案和解析)

心算
60÷3=________1.4-0.8=________300÷6=________140÷2=________
46+38=________240÷6=________1800÷9=________4200÷7=________
46÷2=________330-70=________125×8=________72÷9=________
606÷3=________150÷5=________630÷9=________300-300÷6=________
16×20=________4.1+0.8=________50×16=________13×3=________
14×20=________0÷11=________20×60=________19×20=________
86-68=________30×12=________20×40=________330-70=________
80×9=________11×60=________12×20=________18×40=________
33×30=________9-4.8=________3.6-1.8=________6.7+2.5=________
24÷4=________80-6=________60÷4=________4+28=________
25+75=________0.6+1.5=________15×50=________141÷3=________
91÷7=________3×4×5=________137-67=________380×10=________
50×50=________26÷2=________6.2+3.9=________783÷6=________
804÷2=________7×0=________780-70=________2407+3=________
707÷7=________760-250=________8.4-7.5=________147÷7=________.

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直接写出结果
(1)0.25×4=______
(2)4.8÷8=______(3)0.5+0.5÷0.5=______
(4)50×0.8=______(5)0.99÷33=______(6)4×7.5×2.5=______
(7)4.5×0.1=______(8)2.4÷0.8=______(9)(2.7-2.7)×3.5=______
(10)1.3×7=______(11)2÷0.4=______(12)2.1×40÷10=______.

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直接写出结果
(1)0.25×4=______
(2)4.8÷8=______ (3)0.5+0.5÷0.5=______
(4)50×0.8=______ (5)0.99÷33=______ (6)4×7.5×2.5=______
(7)4.5×0.1=______ (8)2.4÷0.8=______ (9)(2.7-2.7)×3.5=______
(10)1.3×7=______ (11)2÷0.4=______ (12)2.1×40÷10=______.

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直接写出结果
(1)0.25×4=
1
1
(2)4.8÷8=
0.6
0.6
(3)0.5+0.5÷0.5=
1.5
1.5
(4)50×0.8=
40
40
(5)0.99÷33=
0.03
0.03
(6)4×7.5×2.5=
75
75
(7)4.5×0.1=
0.45
0.45
(8)2.4÷0.8=
3
3
(9)(2.7-2.7)×3.5=
0
0
(10)1.3×7=
9.1
9.1
(11)2÷0.4=
5
5
(12)2.1×40÷10=
8.4
8.4

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下面各题怎样算简便就怎样算.
72.8÷5.6+14.9          
5.4×12.3+5.4×7.7              42×101-42
0.25×3.2×12.5              3.6÷1.5÷2                   33.4+0.12×50.

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