直接写出得数24×60= 490×2= 17×3= 36×8= 270×6=390÷13= 620+78= 98÷7= 25×4= 40÷4=
1.8+0.5= 2.5﹣0.1= 4.8﹣0.2= 74+71=48+10= 24÷12= 68÷0.68= 94.7÷0.1=61.8÷0.6= 0.8×6.7= 3÷8= 0.12×3=32= 8.2﹣2.8= 3.5÷0.7= == = 5.3+0.5= 46+18=8.5﹣1.5= 69+10= 28.8+0.4= 40.5÷0.5=92.7÷0.3= 0.5×1.3= 16×0.5= 4.4+0.1=6.1﹣0.1= 3.3+0.6= 33.2÷0.4= 1÷0.25=1.5×4= 6.5+1.35= 1.3﹣1.2= == = 5.7﹣1.7= 0.35+0.75=0.2×1.1= 1.6÷0.4= 10÷4= 3.4÷0.2=52÷13= 57÷19= 3.7﹣0.8= 29+92=8.2+0.7= 6.5﹣5.6= 4.8÷0.3= 33=1.25×8= = = =2.1÷0.3= 3.2×3= 2.8﹣1.8= 0.9×6.2=
直接写得数.0.77+1.33= 1.4÷9= 1.52= 6= 98×=28= (49﹣)×= 28.26÷3.14= 0.63= 437÷198=
直接写出得数.20+5.8= = 40÷12= 0.23=1.25÷1%= = = 30.1÷5.9≈
直接写出得数.3.8﹣2.9= 960÷80= 2.4+1.6= (+)×4=1.5×= 24÷= ÷= ×=
直接写数对又快.2.3+3.57= 8×12.5%= 5.7+11.8+4.3= 1÷100%=0.99×9+0.99= 40÷9= 12×(×)= ×=﹣0.5= ×25%=