用“格子乘法”计算:456×36=
直接写得数.0.56+0.32= 10﹣6.7= 6.98+3.12= 22.5﹣8=7.08+2.92= 5.7+0.32= 1﹣0.887= 6.4﹣4=
小刚跳远成绩是2.54米,比小虎少0.15米,小虎跳远成绩是多少米?
用竖式计算.2.5+2.7= 41×24= 6.1﹣5.6=29×53= 37×51= 25×36=
竖式计算37.8+3.02= 8.5﹣6.69= 20﹣15.07=
7.28﹣(0.8+3.28) 3.15+1.83+6.85+2.17 5.3+0.98+2.72.72﹣3.98+5.28﹣2.02 10.78﹣1.54﹣2.46 8.44﹣(5.44+2.8)