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1、精選優(yōu)質文檔-傾情為你奉上能簡算的要簡算31.5×4÷(6+3) =30.8÷14(9.851.07)=60(9.528.9)÷0.18=0.8×15.5-(3.21+5.79) =2.881÷0.430.24×3.5 =20×(2.441.8)÷0.40.15 =28-(3.4+1.25×2.4) =2.55×7.1+2.45×7.1 =0.78+5.436+1 =4.07×0.86+9.12.5 =30.8÷14(9.851.07) =777×

2、;9+111×3 =（31.8+3.2×4）÷5 = 0.64×25×7.8+2.2 =2÷2.5+2.5÷2 =19464.8÷1.8×0.9 =36.72÷4.25×9.9 =5180705×6 =24÷2.42.5×0.8 =(4121+2389)÷7 =671×15-974 =469×12+1492 =405×(3213-3189) =3.416÷（0.016×35） =0.8×

3、(106.76)÷1.2 =19.4×6.1×2.3 =5.67×0.2-0.62 =18.1×0.92+3.93 =0.043-0.24+0.875 =0.4×0.7×0.25 =0.75×102 +100-56.23 60(9.528.9)÷0.18 =2.881÷0.430.24×3.5 =20×(2.441.8)÷0.40.15 =28-(3.4+1.25×2.4) =2.55×7.1+2.45×7.1 =777×9+

4、1111×3 =0.8×15.5-(3.21+5.79) =（31.8+3.2×4）÷5 =31.5×4÷(6+3) =0.64×25×7.8+2.2 =2÷2.5+2.5÷2 =19464.8÷1.8×0.9 =36.72÷4.25×9.9=5180705×6=24÷2.42.5×0.8 =(4121+2389)÷7 =671×15-974 469×12+1492 =405×(3213-3189) =3.416÷（0.016×35） =0.8×(106.76)÷1.2 =19.4×6.1×2.3 5.67×0.2-0.62 =18.1×0.92+3.93 =0.4×0.7×0.25 =0.78+5.436+1 4.07×0.86+9.12.5=專心-專注-專業(yè)