- 8.9÷10=7-0.7=0.25×39×0.4=8.2+0.18=4.5×8=87-______+83.7=86.
- 两个数的差是13.6,如果被减数增加2.5.减数减少1.5,差是______.
- 4.05-1.960.65×0.4816÷23.
- 减数和差都是2.7,被减数是______;商和被除数都是2.6,除数是______.
- 直接写出得数.19.61÷0.1=1-0.904=7.3+2.7×10=2.5÷0.5×2.5÷0.5=1.1×0.6=0.42÷5=0×99.9=17÷0.17=2.9+7.1-2.9+7.1=10.8-1.3-1.5=
- 用竖式计算(1、2两题保留两位小数,3、4两题要验算)①26×0.52 ②7.24÷21.③756÷0.18 ④0.072×0.15.
- 直接写得数3×1.16=5.79+2.63+4.21=0.25×12=1.2÷4=1.35×6=1.68÷0.3=10-0.18-0.12=0.54×101=0.64÷1.6×1.7=6.5-5=
- 昨天上午8时,洪泽湖水位14.14m,超过警戒水位0.6m,警戒水位多少米?请你列出一个数量关系式:
- 直接写出得数:0.85-0.5=0.63+0.7=100×8.5=1.25×37.5×8=1.8+1.2×9=0.32=1÷0.25=0.45÷0.09×5=0.3÷0.15=0.4-0.4÷2=1.6×1.1=0.8×...
- 直接写出下面各题的得数.0.43+0.7=0.7×5=6.4÷0.8=2.01÷0.1=7.2÷9=1-0.55=6.01×0=350÷1000=
- 直接写出得数.7.8-0.08=3.5×0.4=4.6÷4.6=12.5×0.1=6.74÷0.01=8.2+0.8=5.4÷0.18=0.8×1.25=
- 竖式计算并验算:12.65+7.5=83.6×4.5=
- 直接写出得数0.3+0.47=10-4.7=0.33+0.3=20.2-10.2=7.6+0.4=3.9-0.6=50.23+0.77=48.51-4.09=2.02+3.8=8.4-4.8=
- 竖式计算(带*的要验算)48.35+156.78=*0.9-0.45=
- 直接写得数0.24+0.8=5.8÷0.01=6.7×5×2=29.23+11.77=50×0.6=9.23-6.3=10.5÷5=2.9×0.01=0.4×2.5÷0.4×2.5=90-90÷1.5=