如右图,利用一面墙,用篱笆围成一个边长8米的正方形菜地,篱笆长多少米?
直接写出得数. ①0.125×8= ②3.27+1.83= ③10÷10%= ④÷= ⑤0.21++0.79= ⑥(﹣0.4)×123= ⑦×= ⑧×4÷4=
直接写出得数. 0.25+0.5=÷10= 2﹣2÷3= 6﹣﹣× 0.32×400.
直接写出的得数; 5.69+4.1= 0.1÷0.01=+×2= 23.9÷8≈ 29×48≈ 7×8÷7×8=+×0= 4.5×80%=
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=