*+*16+16?
X1/3?
=
1
+5=
6-
-12=
-=?
17X40=
100
—63=
+=
=?
14-=
+=
X500=
+=?
10-=
4
-20二
X200=
—=?
+15=
=
4
=
+=?
=
420
+35=
25
X12=
135
+=?
3/4+1/4=2+4/9=3-2/3=3/4-1/2=?
1/6+1/2-1/6=-(+)=7/8+3/8=?
3/10+1/5=4/5-7/10=2-1/6-1/3=?
+17=+19=+==
1.(1+1/2)(1+1/3)(1+1/4).(1+1/100)?
.(1-1/2)(1-1/3)(1-1/4).(1-1/100)?
+2-8+2?
*4/25*4??
+198?
-202?
+301?
-99??
-2456*21??
??
—9036+18?
+??
*+*16+16?
X1/3?
*45-328?
??
?
.(50-)/?
?
*47+639?
-1/6??
??
??
-1/2??
?
-420/12?
-*?
+30/2+90/6?
-1998.
-105*34??
.(1/2+1/3+1/4)*?
.(25+4)*4?
-4263/21??
+13X27?
—+?X4+?
.(+)—768+32?X80—+?
—768+32??
+275*16?
*15/8-1/12*9/5??
-45*12???
*1/4+23*25/100+?
--????
*19+284????
+128*45??
七年级口算题训练道 来自淘豆网m.daumloan.com转载请标明出处.
