李民要用“高乐高”冲一杯220克的巧克力，根据产品的建议，高乐高与牛奶质量的比是1：10，她需要放多少克的高乐高？
口算 15÷0.25= 1.5×=×1.8= 2.5×0.4= 32×2.5= 24×= 2.4+1.6=÷=×=÷25%=
直接写得数． 2.4×50%=+= 5.8﹣0.89= 0.52=÷10= 3.9×1.1=（+）×12= 1﹣+=
3.26+2.4=== 3.6÷0.6= 1﹣0.52= 2.5×3.5×0.4===
直接写得数：×0.87=÷1.2=÷= 0.56×= 2006﹣619= 6﹣= 3.2×= 0.3×0.4= 2.85+1.5= 73.05﹣3.96==== 1÷×= 7×÷7×=
直接写得数．﹣= 8÷0.4=﹣=+=﹣= 7﹣6.38=+=+=0.22×0.5= 10﹣4.8﹣3.2=
=
×1.8= 2.5×0.4= 32×2.5=
= 2.4+1.6=
÷
=
×
=
÷25%=
+
= 5.8﹣0.89= 0.52=
÷10= 3.9×1.1=（
+
）×12= 1﹣
+
=
=
= 3.6÷0.6=
=
=
×0.87=
÷1.2=
÷
= 0.56×
= 2006﹣619=
= 3.2×
= 0.3×0.4= 2.85+1.5= 73.05﹣3.96=
=
=
= 1÷
×
= 7×
÷7×=×0.87=÷1.2=÷= 0.56×= 2006﹣619== 3.2×= 0.3×0.4= 2.85+1.5= 73.05﹣3.96==== 1÷×= 7×÷7×=
﹣
= 8÷0.4=
﹣
=
+
=
﹣
= 7﹣6.38=
+
=
+
=0.22×0.5=
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