五年级数学简便计算练习题.docx

精选优质文档-倾情为你奉上简便计算(1)5.327.934.68 2.5×0.39×0.4 32.18.31.7 12.39(5.182.39) (252.50.25)×4 1.8×3.52.5×1.8 12.5×8.8 3.6×1.2÷3.6×1.22 6.8×3.62.68×64 1.31×12.5×8×2 1.25×32×0.25 3.8×0.99 简便计算(2)4.6×99+4.6 7.5×101-7.51.25×2.5×（80×4） 4.6×47+4.6×54-4.6 7.68÷2.5÷0.4 0.45×72+45×0.18+4.5 5.5×99 0.125×72 12.5×0.4×2.5×8 9.5×1014.2×7.8+2.2×4.2 0.87×3.36+4.64×0.87简便计算(3)4.08×0.25 490×0.355.28×99 12.5×4.12×0.85.7×10.1 49×0.125×80.4×63×2.5 0.5×7.6×200.34×101 4.86×99 4.9×101 8.75 ×11-8.75 9.9 ×212 0.68×101简便计算(4)3.26 ×5.7-3.26×0.7 55.6×99+55.61.25 ×213×0.8 6.1×3.6+3.6×3.94.75×99+4.75 2.73×991.2×2.5+0.8×2.5 101×0.450.25×4.78×4 0.65×2027.2×8.4+2.8×8.4 0.78×984.8×0.25 1.5×105 0.3×2.5×0.4简便计算(5)56×1.25 1.25+4.6+0.75 1.6×7.5×1.2549×0.125×8 0.4×63×2.5 0.5×7.6×209.6×100.1 42×10.2 9.8÷0.5÷228.4×99+28.4 0.94×2.5-0.9×2.54×0.8×12.5×2.5 3.6×1010.125×72 0.25×39+0.25简便计算(6)3.2×0.82+3.2×1.18 1.58×99+1.5810÷0.2÷2.5 14.5×102 1.25×3.2×0.2512.15-3.83+0.85-6.17 2.65×1.7+1.35×1.73.55×0.4÷3.55×0.4 0.125×0.38×8018.6-18.6×0.5 3.58×3.6+6.4×3.583.05÷0.25÷4 4.25×0.4÷4.25×0.4解方程（1）20-X=9 X-1.8=4 15-X=22.1÷X=3 X ÷7=0.3 1.6X=6.46X-35=13 3X-12×6=6 (5X-12) ×8=24(100-3X) ÷2=8 6X+3=9 4X-2=10 5X-39=56 18+5X=21 8X-4×14=07X÷3=8.19 43-X=38 6.3÷X=7解方程（2）7(X-20)=140 6.7X-60.3=6.7 9X+X=04(6X+3)=60 2X+23×4=134 (3X-4) ×5=4 2X+1.5X=17.5 8X-3X=105 3X+X+6=263X+6=18 2X-7.5=8.5 16+8X=404X-3×9=29 2(X-2.6)=8 5(X+1.5)=17.58(X-6.2)=41.6 (X-3) ÷2=7.5 13.2X+9X=33.3解方程（3）8X-3X=105 5.4X+X=12.8 X-0.36X=16X+4.8=7.2 X-6.5=3.2 X÷8=0.46X+18=48 3(X+2.1)=10.5 12X-9X=8.73.8+X=6.3 X-7.9=2.6 2.5X=14X÷3=1.2 3.4X-48=26.8 2X-97=34.242X+25X=134 13(X+5)=169 5X+7=42解方程（4）X÷4.2=2 3.6X-X=3.25 2(X-3)=5.8X÷1.44=0.4 3.85+1.5X=6.1 6X-0.9=4.57.8X+2.4X=20.4 2(X+1)=6 6(X-1.5)=154X-12×3=100 (X-5) ÷3=7 X-0.28X=3.60.3×4-2X=0.2 4(X+6)=36 X-0.8X=1.26X-2X=20 0.5+7X=18 3X-6×8=0解方程（5）8X+19=51 2.7X-14=21.1 X-0.38X=1.245.3X-2X=1.32 4(X+4.5)=20 5X-7.3=7.73.6X+8.5=22.9 7X+4 ×3.5=24.5 5X+28=486X-12=30 45-3X=24 54-X=24 7X=49 126÷X=42 3.5-X=2.51.8 ÷X=2 9X=927 19.4-X=7列方程并求方程的解1.X的7倍比52多25。 2.X的9倍减去5，等于49。3.X加上26等于54。 4.X与5的积是85。5.X与2.3的差是4.7。 6.X除以12等于4。7.0.3与14的积比X的3倍少6。8.X的5倍比3与7.2的积小3.4。9.8X与3X的差等于27.7与4.8的差。10.X的7倍减去21，差是14。11.X的5倍比X的2倍多12。专心-专注-专业