文档介绍：×5＝ 1÷= ×10=
×4＝ ÷3= ×100=
×= ÷= ×=
×1＝ ÷6= ×=
×8＝ ×10= 3×=
8÷10= ×100= ×=
×4×12= ×100= ×=
×= 4÷= ×8=
×100= ×100= 50×=
1 1
80×= +×= 16÷＝
×9= ×= ×=
×5= ÷＝ ÷16＝
÷= 12÷= ÷＝
×= ÷＝ ÷＝
÷= 13÷4＝ ÷＝
×= ÷＝ ×＝
÷= ×＝ ×＝
÷＝ 7÷＝ ÷＝
2 2
＋×3＝ ÷= ÷4=
÷2= ×= ×4=
÷= ÷= ÷=
×4＝ ×100= ÷=
×= ÷= ×13=
×= ×= ×15=
×＝ ×= ×14=
×= ×5= ×36=
×＝ ×4= ×＝
3 3
×= ×= ×=
×3＝ ×= ×25=
×22= ×= ×＝
÷= ×= ÷=
×= ×5= ÷=
÷= ×= ÷=
÷= ×= ×=
×= ×= ×=
×= ×= ×=
4 4
×= ×4×12= ÷=
×= ×= 65÷=
×= ×100= 54÷=
×= 1÷= 32÷=
×= ÷3= 36÷=
÷29= ÷= 42÷=
÷= ÷6= 78÷=
÷= 128÷= 45÷=
8÷10= 78÷= 81÷=
5 5
÷= ÷= ÷=
1000÷= ÷2= 39÷=
10÷= ÷21= 133÷.0007=
120÷= ÷= ÷=
÷5= 46÷= 123000÷=
÷= ÷= ÷50=
÷= ÷= ÷700=
÷2= ÷= 760÷=
÷= ÷= ÷6=
6 6
492÷= ×101= ÷7=
÷= ×= 32÷42=
×99= ×101= ÷13=
×= ×= ÷=