六下计算类型
计算:加、减、乘、除138+17 230199 61.92.1 8.9+3.8+1.1=0.4+0.06 1.60.06 0.654.35 18.20.283.5×0.2 1.25×80 0.26×10 2.4×513×6 17×3 14×3 1.9×38181÷81 648÷6 3636÷6 4.2÷0.071.4÷7 0.96÷0.3 3.6÷1.2= 0.5÷0.25=×0 22÷9 1÷× 10÷×10× 15÷ × 0.25×1×4+ 45 91× ()0.23+177%= 8×12.5%= 3+20= 200×( )840×25% = 0÷= = 0÷25×81 ×0=10.5 101 32:16 0.125:0.3 ( ): ( ): ( ): ( ): 25×4 125×8 200×5 24×50.1 0.2 0.3 0.4 0.56 7 8 9 10 2 3 4 56 7 8 9 101 2 3 4 56 7 8 9 101 2 3 4 5 6二、能简算的要简算0.66+7.5+0.34+2.5 8×+8×+8×2.5×8350÷70 ÷(+)×616.57.31.41.3 2.9+385÷35×4.336×() ×0.2×11 + 0.75×11 168.1÷(4.3×20.4)5.89+3.6×0.20.28 36×() ()×12 3-(+) × 1()÷563×999 125×32 101×85 46×57.54.2515.75 ÷5+× ×101三、求未知数的值。+1630 :0.5=3:x = =3.4 :=:4 = +4=10 : =:8 = 5.5x3x = 1.75 = 15÷X = 2X = : =:15 1.75 :42:105.5x3x = 1.75 (1)X = 5.5506.4