|
0.45+2.5= 0.8×1.25= 0.3×3.6= 0.27÷0.3=10×0.07= 10.3-1.4= 0.35÷7= 0.92-0.4=0.2×0.26= 0.14×4= 0.02×0.1= 1.2+120.3=0.2×0.4= 8.2+1.8= 100-35.7= 2.5×0.4=2.4÷5= 0.22×4= 3.25×0= 0.9-0.52=3.99×1= 0÷3.52= 12.5×8= 8÷10 =10-1.8-7.2= 0.43+3.57= 2.5×4×12= 0.9×0.8=1.05×100= 1÷0.5= 0.96÷3= 1.47÷0.7=15.4-6= 0.165×10= 3.6+4= 0.56×100=3.78÷100= 4÷0.8 = 3.215×100= 0.8÷10=4.08×100= 1.1×0.2 = 0.6×0.8 = 3×0.9=2.5×40= 0.396÷1.2= 0.756÷0.36= 3.84×2.6=3.68÷0.25= 16.9÷0.13= 0.396÷1.2= 18.72÷3.60.125×1.4≈(保留两位小数) 2.5÷0.7≈(保留三位小数) 10.1÷3.3=(商用循环小数表示)8.4×1.3= 6.4÷0.5=
能简便计算的要简算。
(2.5-0.25)×0.4 1.29+3.7+2.71+6.3 8-2.45-1.5
3.25+1.79-1.79+1.75 23.4-0.8-13.4-7.2 0.32×403
3.2+0.36+4.8+1.64 70÷28 0.25×3.6
7.6×0.8+0.2×7.6 0.85×199 15÷0.25
1.28×8.6+0.72×8.6 12.5×0.96×0.8 10.4-9.6×0.5
0.8×(4.3×1.25) 3.12+3.12×99 28.6×101-28.6
63.4÷2.5÷0.4 4.9÷1.4 3.9÷(1.3×5) |
|