观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2
观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2 观察算式特点计算 99X1.3+1.3
3.2X1.6+1.4X3.2
2.78+4.63+7.22+0.37
1.78X101-1.78
4.8+5.2×4.66
8.3X10.2-8.3X0.2
2.5X4÷2.5X4
观察算式特点计算 4.8X9.9+0.1
1.2-0.624-0.36
3.75X (10.9-9)
1.5X970+0.3
3.5X12.7-3.5X2.7
3.2X1.6+1.4X3.2