小学1-6年级数学【简便运算】计算题大全

小学1-6年级数学【简便运算】计算题大全


简介:
1.13÷5÷0.2 =13÷(5×0.2) =13÷1 =13 2.(2.5-0.8)×40 =2.5×40-0.8×40 =100-32 =68 3.1.25×64÷8 =1.25×(64÷8) =1.25×8 =10 4.26÷25÷0.4 =26÷(25×0.4) =26÷10 =2.6 5.(22.5-15)÷0.5 =22.5÷0.5-15÷0.5 =45-30 =15 6.16.8÷4÷0.5 =16.8÷(4×0.5) =16.8÷2 =8.4 7.(8+0.4)×25 =8×25+0.4×25 =200+10 =210 8.5×1.8+6×1.8-1.8 =(5+6-1)×1.8 =10×1.8 =18 9.1.1×8+8.7×8+1.2×8 =(1.1+8.7+1.2)×8 =11×8 =88 10.7.2÷4÷0.5÷2 =7.2÷(4×0.5×2) =7.2÷4 =1.8