下面各题，怎样算简便就怎样算．①×11+②120+290÷58×16③（﹣）×（+）④÷[﹣（﹣）]．
直接写出得数． 21.8+8.2=÷=×= 5﹣= 8×25×1.25=×=+= 1÷= 25÷10%=（0.28+0.7）÷7=
直接写出得数+3÷=×5×=（+）×4= 81÷=﹣=×10= 5.5+12.4+4.5= 4﹣（0.6+1.9）= 1.9×4×0.5= 0.77+0.33=
直接写出下列各题的结果 152﹣68= 5.2+8= 1.3×40%= 0.45÷1.5===43= 8.5b+5b=
直接写出得数． 48×25%= 24.15÷3= 1÷=（）×15= 0.3×2÷0.3×2===== 21÷=
直接写出得数．÷1= 2﹣= 1.8×= 39÷= 7﹣2.36﹣1.64= 5÷7+= 1+45%=×3÷×3= 32+23==
×11+
﹣
）×（
+
）
÷[
﹣（
﹣
）]．
÷
=
×
= 5﹣
=
×
=
+
= 1÷
=
+3÷
=
×5×
=（
+
）×4= 81÷
=
﹣
=
×10= 5.5+12.4+4.5= 4﹣（0.6+1.9）=+3÷=×5×=（+）×4= 81÷=﹣=×10= 5.5+12.4+4.5= 4﹣（0.6+1.9）=
=
=43= 8.5b+5b=
=（
）×15= 0.3×2÷0.3×2=
=
=
=
= 21÷
=
÷1= 2﹣
= 1.8×
= 39÷
=
= 1+45%=
×3÷
=
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