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1.2×5.2一2.5÷0.3用简便方法计算

1.2乘5.2减2.5除0.3简便计算 1.2乘5.2减2.5除0.3 =1.2*5.2-2.5÷0.3 =6.24- 2.5÷0.3 结果不是有限小数 核实算式

1÷(0.8+1.2÷3/5) =1÷(0.8+1.2÷0.6) =1÷(0.8+2) =1÷2.8 =1÷5分之14 =14分之5

3.6÷0.4-1.2×5 =9-6 =3

(1)4.82-5.2÷0.8×0.6,=4.82-6.5×0.6,=4.82-3.9,=0.92;(2)[ 1 2 -( 3 4 - 3 5 )]÷ 7 10 ,=[ 1 2 - 3 20 ]÷ 7 10 ,= 7 20 ÷ 7 10 ,= 1 2 ;(3) 7 9 × 5 11 + 2 9 × 5 11 ,=( 7 9 + 2 9 )× 5 11 ,=1× 5 11 ,= 5 11 ;(4)12....

3.4÷(0.5+0.3×4) =3.4÷(0.5+1.2) =3.4÷1.7 =2

5.2×0.5×0.3 =2.6×0.3 =0.78 你好,本题已解答,如果满意 请点右下角“采纳答案”。

用计算机

1又4/5×1又2/3+2.5-0.65÷2又1/6 =9/5×5/3+2.5-0.65×6/13 =3+2.5-0.3 =5.2

1÷0.125+2÷0.25+3÷0.5 =1÷1/8+2÷1/4+3÷1/2 =1×8+2×4+3×2 =8+8+6 =22

(1)(1÷0.5+0.5÷1)×3.2,=(2+0.5)×3.2,=2.5×4×0.8,=10×0.8,=8;(2)0.25×3.7×(3.8+0.2),=0.25×4×3.7,=1×3.7,=3.7;(3)52.8÷[18.2-(4.24÷0.8-0.3)],=52.8÷[18.2-(5.3-0.3)],=52.8÷[18.2-5],=52.8÷13.2,=4;(4)0.375×8-...

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