小学数学五年级上册脱式计算题简便运算练习.doc

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1、能简算的要简算31.5×4÷(6+3)===30.8÷[14－(9.85＋1.07)]====[60－(9.5＋28.9)]÷0.18====0.8×〔15.5-(3.21+5.79)〕===2.881÷0.43－0.24×3.5====20×[(2.44－1.8)÷0.4＋0.15]=====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－(9.85＋1.07)]===777×9+111×3===（31.8+3.2×4）÷5====0.64×25×

2、7.8+2.2===2÷2.5+2.5÷2===194－64.8÷1.8×0.9===36.72÷4.25×9.9=3==5180－705×6===24÷2.4－2.5×0.8===(4121+2389)÷7==671×15-974==469×12+1492==405×(3213-3189)==3.416÷（0.016×35）==0.8×[(10－6.76)÷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[

3、60－(9.5＋28.9)]÷0.18===2.881÷0.43－0.24×3.5===20×[(2.44－1.8)÷0.4＋0.15]==28-(3.4+1.25×2.4)===2.55×7.1+2.45×7.1===777×9+1111×3==0.8×〔15.5-(3.21+5.79)〕==3（31.8+3.2×4）÷5==31.5×4÷(6+3)==0.64×25×7.8+2.2==2÷2.5+2.5÷2==194－64.8÷1.8×0.9==36.72÷4.25×9.9==5180－705×6==24÷2.4－2.5×0.8==(4121+2389)÷7

4、==671×15-974469×12+1492==405×(3213-3189)==3.416÷（0.016×35）==0.8×[(10－6.76)÷1.2]===19.4×6.1×2.35.67×0.2-0.62===18.1×0.92+3.93===0.4×0.7×0.25==0.78+5.436+14.07×0.86+9.12.5=33