列竖式计算358×67=309×13=48×290=
直接写得数．+0.625=1÷0.05=9.7+0.03=×=78×9.9+7.8=12﹣2=10÷10%=1﹣﹣=6﹣﹣4.25=+﹣+=
大于0的任何数乘以一个分数都比原来的数小． ．
非零自然数乘真分数，积一定小于这个自然数． ．
直接写出得数．362+29= ÷= 2.53+1.5= ×=+= ﹣= 3.63÷0.3= 2.36×1.8=
390﹣190= 23+16= 25×4= 0.12×3= 0.4×0.2=28÷28= 0.24÷2= 1÷5= 9÷100= 7÷6=100﹣94= 1.7+2.3= += += ﹣=4×= ×= ÷= 1﹣= ÷3=
+0.625=
×
=
=
﹣
=
﹣
﹣4.25=
+
﹣
+
=
÷
= 2.53+1.5= 
×
=
+
= 
﹣
= 3.63÷0.3= 2.36×1.8=
= 
+
= 
﹣
=
= 
×
= 
= 1﹣
÷3=
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