3.2-1.9=
5.8+1.2=
5.7-2.8=
6.1+5.9=
6.9+4.6=
6.9+6.5=
4.6-3.5=
9.5+5.8=
2.8-1.2=
7.2-5.8=
2.4-0.8=
9.8-5.9=
8.2-5.8=
5.6-3.9=
5.4-2.9=
4.8+3.9=
2.7+2.4=
7.8+2.6=
8.6-2.7=
5.8+2.6=
4.5+2.9=
4.1-1.9=
6.1-1.7=
8.2-5.2=
8.3-3.8=
6.5+1.2=
4.4-3.2=
1.7-0.9=
4.8-0.7=
5.0-1.9=
1000-750= 590+260=
601-148≈ 536+263=
165+337=
387+286=
487+295=
406-295=
937-116=
300+648=
167+309=
543+265=
857-123=
456-284=
589+251=
438-114=
675-386=
678-550=
387-257=
946-375=
726-349=
168+114=
864+125=
855-699=
352+269=
943-728=
307-250=
408-258=
455-377=
430+226=
389+127=
507+209=
530-108=
688-119=
长颈鹿的身高是多少厘米?
78-26= 33+58= 67+20= 37-19= 8×8=
80-7×9= 37+(85-26)= 25+5×6= 100-(43-27)=