3米7厘米+150厘米=*i4s1}3{/m.o8e5Q0e7~7e.x3h3L.L
6元8角5分+5元2角=,c)P+E0_)u.y-X+i;~5u*j0d.o8e5Q0e7~7e.x3h3L.L
5吨30千克+250千克=.a1F3f/f3t.o8e5Q0e7~7e.x3h3L.L
3吨50千克-2吨120千克=1s.V9A;z.o8e5Q0e7~7e.x3h3L.L