一年级口算题:运算练习(七)
[导读] 50+12= 16+30= 32+45= 7+61= 24+60= 72+4= 40+60= 83-20= 46-11= 26-4= 75-23= 56+23= 94-74= 63-42= 90-20= 58-8= 68-5= 32+14=33+20= 42+25= 50+11= 30+15= 31+45= 77-23= 31+17= 71+4= 40+61= 82-20= 45-11= 25-4= 94-73= 63-52= 90-30= 59-8= 67-5= 75-33=
50+12= 16+30= 32+45= 7+61= 24+60= 72+4=
40+60= 83-20= 46-11= 26-4= 75-23= 56+23=
94-74= 63-42= 90-20= 58-8= 68-5= 32+14=
33+20= 42+25= 50+11= 30+15= 31+45= 77-23=
31+17= 71+4= 40+61= 82-20= 45-11= 25-4=
94-73= 63-52= 90-30= 59-8= 67-5= 75-33=