递等式计算.(能简便运算的要用简便方法计算)14760÷36-24×11  ...
递等式计算.(能简便运算的要用简便方法计算)14760÷36-24×115.2×4.5+4.5×3.8+4.512.5×25×0.4×0.85-(67÷314+613)4...
递等式计算.(能简便运算的要用简便方法计算)14760÷36-24×11 5.2×4.5+4.5×3.8+4.512.5×25×0.4×0.8 5-( 6 7 ÷ 3 14 + 6 13 )4.8÷16+〔1÷(5 1 10 -5.09)〕[4.2+(5.36-1.2)÷0.26]÷20.
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(1)14760÷36-24×11, =410-264, =146; (2)5.2×4.5+4.5×3.8+4.5, =4.5×(5.2+3.8+1), =4.5×10, =45; (3)12.5×25×0.4×0.8, =(12.5×0.8)×(25×0.4), =10×10, =100; (4)5-(
=5-(4+
=5-4-
=1-
=
(5)4.8÷16+[1÷(5
=4.8÷16+[1÷0.01], =4.8÷16+100, =0.3+100, =100.3; (6)[4.2+(5.36-1.2)÷0.26]÷20, =[4.2+4.26÷0.26]÷20, =[4.2+16]÷20, =20.4÷20, =1.02. |
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