文档介绍:×4= 0. 07×= 33×= ×4=
×= 15×= ×= ×=
54×= ×= ×= ×100=
×2=
×= ×= ×2= ×10=
×8= ×10= ×= +=
+= ×2= ×= 6×=
-= ×100= ×= ×=
×100=
÷28=
÷=
÷=
×8=
×9=
÷2=
÷24=
×= -=
÷4=
÷13=
+=
10÷20=
24÷15=
×=
+=
×2= -=
×=
6×= -=
×=
×100=
×=
÷=
÷28=
÷=
×8=
÷=
÷7=
÷=
÷=
÷100=
÷2=
÷=
÷12=
×= += -=
÷4=
10÷20=
×=
÷13=
24÷15=
×1000=
÷5=
×10=
×=
÷41=
×=
×=
÷= ÷9= ÷= ÷2=
÷= ÷= ×100= ×8=
0. 56÷= ×4= ×= ÷=
3
×= ×= ÷= ÷=
1÷= ×= ÷= 0÷=
÷= ÷= ÷= ÷=
÷= ÷= ÷= ÷=
÷= ÷= ÷= ÷=
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3÷=
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÷= ×= ÷=
×7= ×8= ×7= ×8=
×2= ×= ×= 5×=
10×= ×7= ×4= ×4=
×8= ×50= ×0= ×4=
×3= ×= ×= ×2=
×= 9×= 0×= +=
4
×2= ×3= ×8= ×=
1×= ×= 9×= ×=
10-=