下面每题,怎样算简便就怎样算 36.8-6.8÷0.5 0.125×32×0.25
下面每题,怎样算简便就怎样算36.8-6.8÷0.50.125×32×0.251.25×8.873÷4+2.7×0.253.75÷[0.3×(1.34-0.84)]....
下面每题,怎样算简便就怎样算 36.8-6.8÷0.5 0.125×32×0.25 1.25×8.8 73÷4+2.7×0.25 3.75÷[0.3×(1.34-0.84)].
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①36.8-6.8÷0.5, =36.8-13.6, =23.2; ②0.125×32×0.25, =(0.125×8)×(4×0.25), =1×1, =1; ③1.25×8.8, =1.25×(8+0.8), =1.25×8+1.25×0.8, =10+1, =11; ④73÷4+2.7×0.25, =73×
=(73+2.7)×0.25, =75.7×0.25, =18.925; ⑤3.75÷[0.3×(1.34-0.84)], =3.75÷[0.3×0.5], =3.75÷0.15, =25. |
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