小學(xué)六年級數(shù)學(xué)練習(xí)題(解方程+簡便運算)

班級：姓名：成績：一、解方程。3X=X÷=EQ\F(12,5)÷X=EQ\F(3,10)=30%X=X-0.25=X×=20× 50%X+X=3.625%X+15%X=X-15%X=68X－EQ\F(2,7)X=X＋X＝121X＋X=X+X=4X+X=206X＋5=13.44X－6＝38X+=4X－3×9=295X－3×＝4X－6×=20.36×5-EQ\F(3,4)X=EQ\F(3,5)X-0.8X=16+6EQ\F(2,3)(X-4.5)=7X÷＝122(X-2.6)=8eq\f(2,5)X-eq\f(1,3)X=eq\f(3,10)X×(EQ\F(1,6)+EQ\F(3,8))=EQ\F(13,12)X－0.375X= 20X–8.5=1.5X-EQ\F(4,5)X-4=214+0.7X=102EQ\F(1,2)X-25%X=10二、簡便運算。〔eq\f(7,12)-eq\f(1,5)〕×6036×eq\f(34,35)0.65×101〔1.25-0.125〕×825eq\f(3,8)×824×(---)(12+)×713×10.22.6×99eq\f(4,7)×eq\f(6,13)+eq\f(3,7)×eq\f(6,13)27.5××3.7÷+×eq\f(7,10)×101-eq\f(7,10)eq\f(3,5)×99+eq\f(3,5)×-÷×103-×2-0.92×1.41＋0.92×8.592.25×4.8+77.5×0.484.8×7.8+78×0.521.3×11.6－1.6×1.3eq\f(2,27)×(15×eq\f(27,28))×eq\f(2,15)4.36×12.5×82.5×32×1.251.25÷×0.89.6÷3.2÷315.2÷0.25÷4eq\f(8,9)×eq\f(8,9)÷eq\f(8,9)×eq\f(8,9)×3÷×3146.5-〔23+46.5〕12.89-(3.89-1.6)73.8-1.64-13.8-5.3615.75+3.59-0.59+14.255.48-〔9.4-0.52〕12.06＋5.07＋2.9430.34＋9.76－10.34二、簡便運算。〔712-15〕×6036×34350.65×101〔1.25-0.125〕×82538×824×(---)(12+)×713×10.22.6×99X-45X-4=2147×613+37×61327.5×3.7-7.5×3.70.92×1.41＋0.92×8.59710×101-71035×99+3530.34＋9.76－10.342.25×4.8+77.5×0.484.8×7.8+78×0.521.3×11.6－1.6×1.3227×(15×2728)×2154.36×12.5×82.5×32×1.251.25÷×0.89.6÷3.2÷315.2÷0.25÷489×89÷89×8912.06＋5.07＋2.94146.5-〔23+46.5〕12.89-(3.89-1.6)73.8-1.64-13.8-5.3615.75+3.59-0.59+14.255.48-〔9.4-0.52〕4X－3×9=295X－3×＝4X－6×=20.36×5-34X=35X-0.8X=16+623(X-4.5)=7X÷＝122(X-2.6)=825X-13X=3104+0.7X=102X×(16+38)=1312X－0.375X=20X–8.5=1.512X-25%X=10二、簡便運算?！?12-15〕×6036×34350.65×10135×99+35〔1.25-0.125〕×82538×8710×101-71027.5×3.7-7.5×3.7(12+)×713×10.22.6×99710×101-71047×613+37×6130.92×1.41＋0.92×8.592.25×4.8+77.5×0.484.8×7.8+78×0.521.3×11.6－1.6×1.3227×(15×2728)×2154.36×12.5×82.5×32×1.251.25÷×0.89.6÷3.2÷315.2÷0.25÷489×89÷89×89×3÷×3146.5-〔23+46.5〕