1 口算 32×3= 60×3= 18×10= 0.007×100= 6÷100= 49×2= 12×7= 24×100= 3.136×100= 63.6÷100= 43×4= 72×5= 2.67×10= 36.7÷10= 1.356÷100= 32×4= 82×5= 0.136×100= 0.3÷100= 2.3÷10= 口算 14×9= 3.14×2= 4.44×200= 23×2.00= 0.13×3= 17×8= 5×1.7= 2.8×40= 1.25×80= 0.6×7= 20×4= 2.5×4= 100×5.176= 3.5×20= 0.12×5= 42×3= 5.26×0= 3×6.2= 0.25×40= 1.2×20= 口算 1.2×3= 2.5×40= 2.4×10= 4×0.05= 3.5×2= 0.37×4= 0.37×4= 2.5×40= 10×0.07= 1.4×6= 0.18×7= 1.5×4= 2×0.05= 0.14×4= 3.8×5= 3.7×3= 0.6×8= 3×1.7= 0.05×7= 8.7×9= 口答它们的积有几位小数 0.45×2.5= 0.02×1.7= 0.1×0.01= 68.59×12.23= 0.36×0.2= 0.213×0.26= 0.3×0.3= 0.51×0.6= 1.006×0.3= 3.82×0.3= 1.3×3= 3.7×0.2= 105.2×0.2= 2.71×0.4= 1.9×46.78= 2 口算 6.8×0.1= 4.8×8= 2.14×2= 1.1×0.8= 0.5×2×0.1= 4×0.4×0.3= 7×0.7×0= 0.75×2.2×0.3= 8.6 +1.4 ×5 = 计算 2.4×8= 0.6×17= 0.16×5= 0.59×2= 3×0.6×7= 9.7×0.2= 0.3×0.39= 0.17×4= 8.4×8= 5×4×0.5= 8.6×0.3= 0.08×10= 3.2×0.9= 0.017×7= 8×0.2×5= 0.5×0.61×0.2 = 0.24×4.52+0.24×5.48 计算 9.4×0.3= 0.17+0.06= 0.79×2= 0.5×8.1= 4.5×0.6= 6.5×0.9= 1.02-0.09= 0.06×1.9= 0.14×7= 3.9×70= 0.8×5= 0.83+0.6= 1.6×0.7= 2.8×0.3= 0.8×9.7= 9.4×5= 0.98-0.09= 90×0.1= 0.2×7.5= 0.04×2.5= 计算 1.9×0.9= 43×0.9= 0.15×7= 1.3×0.7= 0.6×7.6= 4.4×0.2= 8.3×5= 0.9×1.5= 3.6×0.2= 9.4×0.3= 4.8×0.2= 7.8×0.3= 0.3×20= 65×0.4= 2.9×0.4= 1.2×0.8= 9.6×4= 0.8×6.1= 6.5×50= 0.3×3.5= 3 口算 3.2-3.2= 2.8×0.4= 0.4×0.8= 3.5×200= 2.3×0.4= 3.7+2.3= 0.32×500= 1.6×0.4= 2.6×3= 30×0.1= 13.1×0.7-3.1×0.7= 0.8×0.4×1.25= 7.5×0.12+2.5×0.12= 口算 4.9×0.7= 3.5×0.2= 0.4×0.03= 2.7×3= 0.25×0.4= 1.6×4= 0.8×0.6= 0.25×100= 30×2.3= 1.36×2= 20×3.5+6.5= 1.4+3.6×8= 2.3×0.12-0.3×0.12= 口算 1.5×0.6= 0.26×0.4= 0.6×0.12= 7.6×0.2= 4.3×0.2= 2.4×3=...
