题文
(
+
)×35;
+
×(
﹣
); 3.5×72+65×7.2;
﹣(
﹣
);
70%t﹣
=
;
χ+20%χ=
; 20.2乘0.4的积再加上7.88; 87×
.
(
+
)×35;
+
×(
﹣
); 3.5×72+65×7.2;
﹣(
﹣
);
70%t﹣
=
;
χ+20%χ=
; 20.2乘0.4的积再加上7.88; 87×
.
试题篮
()