简 便 计 算
2
1
2×6.6+2.5×6
3
5 11
7
8-6
1
3-1
2
3 4.6+3
2
5+6
3
5+5.4 3
4
15×(
5
7-
3
14÷
3
4)
2.8+5
4
9+7.2+3
5
9 4
3
8+2.25+5
5
8+7
3
4 7
2
5+4
5
7+2
3
5 53
6
11-16
4
7+16
5
11
2
3
7+3
5
9-3
3
7+1
4
9+1
4
7 0.75+
5
8+
1
4+0.375
4
5+9
4
5+99
4
5+999
4
5+9999
4
5
4
4
5-(2
4
5+
5
12) 5-2
14
17-1
3
17 48.3-15
1
6-4
5
6 9
5
6×4.25+4
1
4÷6
0.625×0.5+
5
8+
1
2×62.5% 31
3
8×72
5
13÷31
3
8 2.5×(
9
10+
9
10+
9
10+
9
10)
22×
3
4+25×75%-7×0.75 0.25×63.5-
1
4×13
1
2 6
7
15×2.5-2
1
2×4
7
15
3
8
9+3.125+1
1
9+1
7
8 16
4
5+(2
4
7-1.8) (111+999) ÷[56×(
3
7-
3
8)]
49.5×10
3
5-(50-
1
2)×0.6
7
11×4
14
19+5
5
19÷1
4
7+
7
11 45×(
7
9+
4
15-0.6)
897×
3
8-37.5%+104×0.375 3
1
4×(5
3
8-5.375) 3.5×1
1
4+1.25×2
7
10+3.8÷
4
5
71×99 3755+2996 8439+1001
446+295 888+999 1125-996299×101 563×999 2100÷20
6÷0.25 72×156-56×72 25×32×125
709×99+709 0.25×48 2.5×3
70.4×21
3
21
2×6.6+2.5×63
5 75.3×99+75.3
4.6×3.7+54×0.37 0.125×3
4+1
8×8.25+12.5%
117
8―61
3―12
3 15 3
14―4.25―53
4
19.82―6.57―3.43 4.6+32
5+63
5+5.4
43
8+2.25+55
8+73
4 9.63÷2.5÷4
8.37-3.25-(1.37+1.75)