用简便方法计算．1.25×88 0.91×99+0.91 ×7.7+2.3÷．
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==
直接写出得数． 6.3÷0.1= 240÷0.6= 2.4×5= 76+4.14= 84÷= 1.02﹣0.6=÷= 46×10%= 32×0.25= 0÷=﹣= 2﹣= 0.56÷2.8= 1÷2.5= 32﹣23= 4÷﹣÷4=
×7.7+2.3÷
．
+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÷
=
= 1.02﹣0.6=
÷
= 46×10%=
=
﹣
= 2﹣
=
﹣
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