（1）58×5×2=（2）9

（1）58×5×2-u3N8b1n:T3B8g;S

算式：提示5K:].i.I4Q8_-u3N8b1n:T3B8g;S

=*o+d2c+X5L-u3N8b1n:T3B8g;S

（2）97×12=,N+w'^+f-u3N8b1n:T3B8g;S

（3）34×58+34×42-u3N8b1n:T3B8g;S

算式：提示)o/s(W7]3L4w/r:K,y,R-u3N8b1n:T3B8g;S

='Y.P+p+x4a/p,l2O6i-u3N8b1n:T3B8g;S

（4）8×29×125-u3N8b1n:T3B8g;S

算式：提示4L:H5y3e.i/G-M5V3B)F8p-U9|-u3N8b1n:T3B8g;S

=(t0B9]7T.L5z-u3N8b1n:T3B8g;S

（5）74×102=)b.N5V,E.g-u3N8b1n:T3B8g;S

（6）32+69+168+331-u3N8b1n:T3B8g;S

算式：提示(P){5R2i4O;w:v/^9]5]-u3N8b1n:T3B8g;S

=+M9]3]5~7n;c'^3E+P,J-u3N8b1n:T3B8g;S